diff --git a/pom.xml b/pom.xml
index b39a16debb3..08f6e93b76d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 
     <groupId>org.knowm.xchange</groupId>
     <artifactId>xchange-parent</artifactId>
-    <version>5.2.1-SNAPSHOT</version>
+    <version>5.2.1</version>
     <packaging>pom</packaging>
 
     <name>XChange</name>
@@ -159,7 +159,7 @@
     <scm>
         <connection>scm:git:git@github.com:knowm/XChange.git</connection>
         <developerConnection>scm:git:git@github.com:knowm/XChange.git</developerConnection>
-        <tag>HEAD</tag>
+        <tag>xchange-5.2.1</tag>
         <url>git@github.com:knowm/XChange.git</url>
     </scm>
 
diff --git a/xchange-ascendex/pom.xml b/xchange-ascendex/pom.xml
index cb2a16e1146..d6a4171d67f 100644
--- a/xchange-ascendex/pom.xml
+++ b/xchange-ascendex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-ascendex</artifactId>
diff --git a/xchange-bibox/pom.xml b/xchange-bibox/pom.xml
index dfedd2c37f0..c386a3d271b 100644
--- a/xchange-bibox/pom.xml
+++ b/xchange-bibox/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bibox</artifactId>
diff --git a/xchange-binance/pom.xml b/xchange-binance/pom.xml
index ef8051f1f94..29765d4e7bb 100644
--- a/xchange-binance/pom.xml
+++ b/xchange-binance/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-binance</artifactId>
diff --git a/xchange-bitbay/pom.xml b/xchange-bitbay/pom.xml
index d6ed461f9b2..5015aad1ede 100644
--- a/xchange-bitbay/pom.xml
+++ b/xchange-bitbay/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitbay</artifactId>
diff --git a/xchange-bitcoinaverage/pom.xml b/xchange-bitcoinaverage/pom.xml
index 6cc68c32180..acf49a70b85 100644
--- a/xchange-bitcoinaverage/pom.xml
+++ b/xchange-bitcoinaverage/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitcoinaverage</artifactId>
diff --git a/xchange-bitcoincore/pom.xml b/xchange-bitcoincore/pom.xml
index e2fdff1aa28..64b89e26dcf 100644
--- a/xchange-bitcoincore/pom.xml
+++ b/xchange-bitcoincore/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitcoincore</artifactId>
diff --git a/xchange-bitcoinde/pom.xml b/xchange-bitcoinde/pom.xml
index 5b2e54456bb..e0f59194c36 100644
--- a/xchange-bitcoinde/pom.xml
+++ b/xchange-bitcoinde/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitcoinde</artifactId>
diff --git a/xchange-bitcointoyou/pom.xml b/xchange-bitcointoyou/pom.xml
index 2007dd87f52..f6712a94484 100644
--- a/xchange-bitcointoyou/pom.xml
+++ b/xchange-bitcointoyou/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitcointoyou</artifactId>
diff --git a/xchange-bitfinex/pom.xml b/xchange-bitfinex/pom.xml
index fe804ec4b97..ffc9d05e80a 100644
--- a/xchange-bitfinex/pom.xml
+++ b/xchange-bitfinex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitfinex</artifactId>
diff --git a/xchange-bitflyer/pom.xml b/xchange-bitflyer/pom.xml
index 21bfd01975b..35f44ff909b 100755
--- a/xchange-bitflyer/pom.xml
+++ b/xchange-bitflyer/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitflyer</artifactId>
diff --git a/xchange-bitget/pom.xml b/xchange-bitget/pom.xml
index 8c575d3a432..27373d5baf4 100644
--- a/xchange-bitget/pom.xml
+++ b/xchange-bitget/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitget</artifactId>
diff --git a/xchange-bithumb/pom.xml b/xchange-bithumb/pom.xml
index a63ebdf2317..ceab3d6b73e 100644
--- a/xchange-bithumb/pom.xml
+++ b/xchange-bithumb/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bithumb</artifactId>
diff --git a/xchange-bitmex/pom.xml b/xchange-bitmex/pom.xml
index 565c2d30504..6f88f97a203 100755
--- a/xchange-bitmex/pom.xml
+++ b/xchange-bitmex/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitmex</artifactId>
diff --git a/xchange-bitso/pom.xml b/xchange-bitso/pom.xml
index 4cffad45cb8..b5dd95fdaac 100644
--- a/xchange-bitso/pom.xml
+++ b/xchange-bitso/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitso</artifactId>
diff --git a/xchange-bitstamp/pom.xml b/xchange-bitstamp/pom.xml
index bb1f5cd6392..4f55b7470fe 100644
--- a/xchange-bitstamp/pom.xml
+++ b/xchange-bitstamp/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitstamp</artifactId>
diff --git a/xchange-bittrex/pom.xml b/xchange-bittrex/pom.xml
index 6f32abdf1e2..9f64489aea0 100644
--- a/xchange-bittrex/pom.xml
+++ b/xchange-bittrex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bittrex</artifactId>
diff --git a/xchange-bity/pom.xml b/xchange-bity/pom.xml
index 9393f89afdd..747dd87e050 100644
--- a/xchange-bity/pom.xml
+++ b/xchange-bity/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bity</artifactId>
diff --git a/xchange-bitz/pom.xml b/xchange-bitz/pom.xml
index 55fcf3b34fd..142d334ebc5 100644
--- a/xchange-bitz/pom.xml
+++ b/xchange-bitz/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bitz</artifactId>
diff --git a/xchange-bl3p/pom.xml b/xchange-bl3p/pom.xml
index 258a4aab909..c7c3b760f90 100644
--- a/xchange-bl3p/pom.xml
+++ b/xchange-bl3p/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bl3p</artifactId>
diff --git a/xchange-bleutrade/pom.xml b/xchange-bleutrade/pom.xml
index 1074f1417b9..8be6eaf85f5 100644
--- a/xchange-bleutrade/pom.xml
+++ b/xchange-bleutrade/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bleutrade</artifactId>
diff --git a/xchange-blockchain/pom.xml b/xchange-blockchain/pom.xml
index c9485623766..847d66be34e 100644
--- a/xchange-blockchain/pom.xml
+++ b/xchange-blockchain/pom.xml
@@ -7,7 +7,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-blockchain</artifactId>
diff --git a/xchange-btcc/pom.xml b/xchange-btcc/pom.xml
index 859d9b9d3de..72b487493a2 100644
--- a/xchange-btcc/pom.xml
+++ b/xchange-btcc/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-btcc</artifactId>
diff --git a/xchange-btcmarkets/pom.xml b/xchange-btcmarkets/pom.xml
index 48f00034c9a..ede98523ced 100644
--- a/xchange-btcmarkets/pom.xml
+++ b/xchange-btcmarkets/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-btcmarkets</artifactId>
diff --git a/xchange-btcturk/pom.xml b/xchange-btcturk/pom.xml
index 2cf96ec5809..836f5b45d09 100644
--- a/xchange-btcturk/pom.xml
+++ b/xchange-btcturk/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-btcturk</artifactId>
diff --git a/xchange-bybit/pom.xml b/xchange-bybit/pom.xml
index f5c749f0283..ec35d694a90 100644
--- a/xchange-bybit/pom.xml
+++ b/xchange-bybit/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-bybit</artifactId>
diff --git a/xchange-ccex/pom.xml b/xchange-ccex/pom.xml
index 5cd99856897..46f0ba29d00 100644
--- a/xchange-ccex/pom.xml
+++ b/xchange-ccex/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-ccex</artifactId>
     <name>XChange C-Cex</name>
diff --git a/xchange-cexio/pom.xml b/xchange-cexio/pom.xml
index 02d447b5c9d..e97ee932c03 100644
--- a/xchange-cexio/pom.xml
+++ b/xchange-cexio/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-cexio</artifactId>
diff --git a/xchange-coinbase/pom.xml b/xchange-coinbase/pom.xml
index 2b66f1a1b23..7ad0e412f9a 100644
--- a/xchange-coinbase/pom.xml
+++ b/xchange-coinbase/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinbase</artifactId>
diff --git a/xchange-coinbasepro/pom.xml b/xchange-coinbasepro/pom.xml
index 0a64407bd7f..04b2c6af900 100644
--- a/xchange-coinbasepro/pom.xml
+++ b/xchange-coinbasepro/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinbasepro</artifactId>
diff --git a/xchange-coincheck/pom.xml b/xchange-coincheck/pom.xml
index c687bfedd33..321806248e1 100644
--- a/xchange-coincheck/pom.xml
+++ b/xchange-coincheck/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coincheck</artifactId>
diff --git a/xchange-coindeal/pom.xml b/xchange-coindeal/pom.xml
index 9d35062f5bf..ba41b6082e0 100644
--- a/xchange-coindeal/pom.xml
+++ b/xchange-coindeal/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coindeal</artifactId>
diff --git a/xchange-coindirect/pom.xml b/xchange-coindirect/pom.xml
index 24688e5d032..a1321205923 100644
--- a/xchange-coindirect/pom.xml
+++ b/xchange-coindirect/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coindirect</artifactId>
diff --git a/xchange-coinegg/pom.xml b/xchange-coinegg/pom.xml
index 5b3b0ad0448..40475de38b0 100644
--- a/xchange-coinegg/pom.xml
+++ b/xchange-coinegg/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinegg</artifactId>
diff --git a/xchange-coinex/pom.xml b/xchange-coinex/pom.xml
index 49e13ebb0cf..d327556e082 100644
--- a/xchange-coinex/pom.xml
+++ b/xchange-coinex/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinex</artifactId>
diff --git a/xchange-coinfloor/pom.xml b/xchange-coinfloor/pom.xml
index 9508291943f..733927a2c19 100644
--- a/xchange-coinfloor/pom.xml
+++ b/xchange-coinfloor/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinfloor</artifactId>
diff --git a/xchange-coingi/pom.xml b/xchange-coingi/pom.xml
index 81cc9a75ee9..1d6cb584507 100644
--- a/xchange-coingi/pom.xml
+++ b/xchange-coingi/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coingi</artifactId>
diff --git a/xchange-coinjar/pom.xml b/xchange-coinjar/pom.xml
index d96a7aa2e98..4d53ca295c7 100644
--- a/xchange-coinjar/pom.xml
+++ b/xchange-coinjar/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinjar</artifactId>
diff --git a/xchange-coinmarketcap/pom.xml b/xchange-coinmarketcap/pom.xml
index 812951b3ddf..a64ec89b9a9 100644
--- a/xchange-coinmarketcap/pom.xml
+++ b/xchange-coinmarketcap/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinmarketcap</artifactId>
diff --git a/xchange-coinmate/pom.xml b/xchange-coinmate/pom.xml
index 0e8de583264..939b1314625 100644
--- a/xchange-coinmate/pom.xml
+++ b/xchange-coinmate/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinmate</artifactId>
diff --git a/xchange-coinone/pom.xml b/xchange-coinone/pom.xml
index ffe6bec5bb4..272b2c0fbf2 100644
--- a/xchange-coinone/pom.xml
+++ b/xchange-coinone/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-coinone</artifactId>
diff --git a/xchange-core/pom.xml b/xchange-core/pom.xml
index e9a094922e1..d16b1bd1e22 100644
--- a/xchange-core/pom.xml
+++ b/xchange-core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-core</artifactId>
diff --git a/xchange-cryptowatch/pom.xml b/xchange-cryptowatch/pom.xml
index d6504d36192..f15b12d5b5e 100644
--- a/xchange-cryptowatch/pom.xml
+++ b/xchange-cryptowatch/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-cryptowatch</artifactId>
diff --git a/xchange-deribit/pom.xml b/xchange-deribit/pom.xml
index 519a17b9230..09e900fad1e 100644
--- a/xchange-deribit/pom.xml
+++ b/xchange-deribit/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-deribit</artifactId>
diff --git a/xchange-dvchain/pom.xml b/xchange-dvchain/pom.xml
index c0a95271fee..67493a2efd2 100644
--- a/xchange-dvchain/pom.xml
+++ b/xchange-dvchain/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-dvchain</artifactId>
diff --git a/xchange-dydx/pom.xml b/xchange-dydx/pom.xml
index 1c2194814ea..18b95a5db0e 100644
--- a/xchange-dydx/pom.xml
+++ b/xchange-dydx/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-dydx</artifactId>
 
diff --git a/xchange-enigma/pom.xml b/xchange-enigma/pom.xml
index 147c59b1f22..7a58b87314d 100644
--- a/xchange-enigma/pom.xml
+++ b/xchange-enigma/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-enigma</artifactId>
diff --git a/xchange-examples/pom.xml b/xchange-examples/pom.xml
index 373a05413cd..330f8242a43 100755
--- a/xchange-examples/pom.xml
+++ b/xchange-examples/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-examples</artifactId>
diff --git a/xchange-exmo/pom.xml b/xchange-exmo/pom.xml
index ef394012891..443bbe4afd5 100644
--- a/xchange-exmo/pom.xml
+++ b/xchange-exmo/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-exmo</artifactId>
diff --git a/xchange-gateio-v4/pom.xml b/xchange-gateio-v4/pom.xml
index 4a374af1e02..e27e5f359ff 100644
--- a/xchange-gateio-v4/pom.xml
+++ b/xchange-gateio-v4/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-gateio-v4</artifactId>
diff --git a/xchange-gateio/pom.xml b/xchange-gateio/pom.xml
index 1dbe6600269..eb62d676342 100644
--- a/xchange-gateio/pom.xml
+++ b/xchange-gateio/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-gateio</artifactId>
diff --git a/xchange-gemini/pom.xml b/xchange-gemini/pom.xml
index f506a9e7512..ade10b7ca7f 100644
--- a/xchange-gemini/pom.xml
+++ b/xchange-gemini/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-gemini</artifactId>
diff --git a/xchange-globitex/pom.xml b/xchange-globitex/pom.xml
index d9a192c4945..e381dc1c210 100644
--- a/xchange-globitex/pom.xml
+++ b/xchange-globitex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-globitex</artifactId>
diff --git a/xchange-hitbtc/pom.xml b/xchange-hitbtc/pom.xml
index a84420e46a3..78471257875 100644
--- a/xchange-hitbtc/pom.xml
+++ b/xchange-hitbtc/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-hitbtc</artifactId>
diff --git a/xchange-huobi/pom.xml b/xchange-huobi/pom.xml
index d0dc9e56e0b..f9dc3124f17 100644
--- a/xchange-huobi/pom.xml
+++ b/xchange-huobi/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-huobi</artifactId>
diff --git a/xchange-idex/pom.xml b/xchange-idex/pom.xml
index 3bdd10e3505..cba2d55ac75 100644
--- a/xchange-idex/pom.xml
+++ b/xchange-idex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-idex</artifactId>
diff --git a/xchange-independentreserve/pom.xml b/xchange-independentreserve/pom.xml
index 87c775d39dc..320c8774d2a 100644
--- a/xchange-independentreserve/pom.xml
+++ b/xchange-independentreserve/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-independentreserve</artifactId>
diff --git a/xchange-itbit/pom.xml b/xchange-itbit/pom.xml
index de3980a528c..15e540d05c5 100644
--- a/xchange-itbit/pom.xml
+++ b/xchange-itbit/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-itbit</artifactId>
diff --git a/xchange-koineks/pom.xml b/xchange-koineks/pom.xml
index 50d76018e8d..23d7432fe89 100644
--- a/xchange-koineks/pom.xml
+++ b/xchange-koineks/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-koineks</artifactId>
diff --git a/xchange-koinim/pom.xml b/xchange-koinim/pom.xml
index 7919f80d22b..e9b6b15cdfb 100644
--- a/xchange-koinim/pom.xml
+++ b/xchange-koinim/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-koinim</artifactId>
diff --git a/xchange-kraken/pom.xml b/xchange-kraken/pom.xml
index 8c026a1c05a..be4c7ec06a6 100644
--- a/xchange-kraken/pom.xml
+++ b/xchange-kraken/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-kraken</artifactId>
diff --git a/xchange-krakenfutures/pom.xml b/xchange-krakenfutures/pom.xml
index cacb830ed57..038fe6853b1 100644
--- a/xchange-krakenfutures/pom.xml
+++ b/xchange-krakenfutures/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-krakenfutures</artifactId>
diff --git a/xchange-kucoin/pom.xml b/xchange-kucoin/pom.xml
index 7797e3604c7..aa2e203b327 100644
--- a/xchange-kucoin/pom.xml
+++ b/xchange-kucoin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-kucoin</artifactId>
diff --git a/xchange-kuna/pom.xml b/xchange-kuna/pom.xml
index 78bf001987b..02e232dc882 100644
--- a/xchange-kuna/pom.xml
+++ b/xchange-kuna/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-kuna</artifactId>
diff --git a/xchange-latoken/pom.xml b/xchange-latoken/pom.xml
index b3d97c8376d..e9f2360cd0b 100644
--- a/xchange-latoken/pom.xml
+++ b/xchange-latoken/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-latoken</artifactId>
diff --git a/xchange-lgo/pom.xml b/xchange-lgo/pom.xml
index 3b41cefca87..bc0197170d3 100644
--- a/xchange-lgo/pom.xml
+++ b/xchange-lgo/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-lgo</artifactId>
diff --git a/xchange-livecoin/pom.xml b/xchange-livecoin/pom.xml
index 38f3b213513..24b24597c91 100644
--- a/xchange-livecoin/pom.xml
+++ b/xchange-livecoin/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-livecoin</artifactId>
     <name>XChange Livecoin</name>
diff --git a/xchange-luno/pom.xml b/xchange-luno/pom.xml
index 0d3053498fc..9f7208ea735 100644
--- a/xchange-luno/pom.xml
+++ b/xchange-luno/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-luno</artifactId>
diff --git a/xchange-lykke/pom.xml b/xchange-lykke/pom.xml
index d5cb8208f2f..b770a34ec87 100644
--- a/xchange-lykke/pom.xml
+++ b/xchange-lykke/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-lykke</artifactId>
diff --git a/xchange-mercadobitcoin/pom.xml b/xchange-mercadobitcoin/pom.xml
index 6d4a6078838..9fe82076252 100644
--- a/xchange-mercadobitcoin/pom.xml
+++ b/xchange-mercadobitcoin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-mercadobitcoin</artifactId>
diff --git a/xchange-mexc/pom.xml b/xchange-mexc/pom.xml
index 1448e19e528..e4766cc842f 100644
--- a/xchange-mexc/pom.xml
+++ b/xchange-mexc/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-mexc</artifactId>
diff --git a/xchange-okcoin/pom.xml b/xchange-okcoin/pom.xml
index 561d34c1da3..07f275af1e7 100644
--- a/xchange-okcoin/pom.xml
+++ b/xchange-okcoin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-okcoin</artifactId>
diff --git a/xchange-okex/pom.xml b/xchange-okex/pom.xml
index 9e8acce810a..6dbd6dd6e3d 100644
--- a/xchange-okex/pom.xml
+++ b/xchange-okex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
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         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-okex</artifactId>
diff --git a/xchange-openexchangerates/pom.xml b/xchange-openexchangerates/pom.xml
index 739695b3f38..c5c51a469f3 100644
--- a/xchange-openexchangerates/pom.xml
+++ b/xchange-openexchangerates/pom.xml
@@ -5,7 +5,7 @@
     <parent>
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         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-openexchangerates</artifactId>
diff --git a/xchange-paribu/pom.xml b/xchange-paribu/pom.xml
index 6786bf23bcd..b17e18d8f78 100644
--- a/xchange-paribu/pom.xml
+++ b/xchange-paribu/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-paribu</artifactId>
diff --git a/xchange-paymium/pom.xml b/xchange-paymium/pom.xml
index 5d144e989a6..b2f77c66927 100644
--- a/xchange-paymium/pom.xml
+++ b/xchange-paymium/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-paymium</artifactId>
diff --git a/xchange-poloniex/pom.xml b/xchange-poloniex/pom.xml
index fa4b072e3cd..77b01efc488 100755
--- a/xchange-poloniex/pom.xml
+++ b/xchange-poloniex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-poloniex</artifactId>
diff --git a/xchange-quoine/pom.xml b/xchange-quoine/pom.xml
index ffd84cbc5e9..b91513771e9 100644
--- a/xchange-quoine/pom.xml
+++ b/xchange-quoine/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-quoine</artifactId>
diff --git a/xchange-ripple/pom.xml b/xchange-ripple/pom.xml
index bd38db99199..24c2cad45cc 100644
--- a/xchange-ripple/pom.xml
+++ b/xchange-ripple/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-ripple</artifactId>
diff --git a/xchange-serum/pom.xml b/xchange-serum/pom.xml
index 71c5324f61d..01433f3b30c 100644
--- a/xchange-serum/pom.xml
+++ b/xchange-serum/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-serum</artifactId>
diff --git a/xchange-simulated/pom.xml b/xchange-simulated/pom.xml
index 9da548a343e..a01ea9cbdc1 100644
--- a/xchange-simulated/pom.xml
+++ b/xchange-simulated/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-simulated</artifactId>
diff --git a/xchange-stream-binance/pom.xml b/xchange-stream-binance/pom.xml
index c82a581f8f1..68575fb25bf 100644
--- a/xchange-stream-binance/pom.xml
+++ b/xchange-stream-binance/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-binance</artifactId>
 
diff --git a/xchange-stream-bitfinex/pom.xml b/xchange-stream-bitfinex/pom.xml
index 70109714fcd..44703ac042b 100644
--- a/xchange-stream-bitfinex/pom.xml
+++ b/xchange-stream-bitfinex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bitfinex</artifactId>
 
diff --git a/xchange-stream-bitflyer/pom.xml b/xchange-stream-bitflyer/pom.xml
index 93faa1a897f..33897960ac0 100644
--- a/xchange-stream-bitflyer/pom.xml
+++ b/xchange-stream-bitflyer/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bitflyer</artifactId>
 
diff --git a/xchange-stream-bitget/pom.xml b/xchange-stream-bitget/pom.xml
index eab8637b292..02914e05dc0 100644
--- a/xchange-stream-bitget/pom.xml
+++ b/xchange-stream-bitget/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bitget</artifactId>
 
diff --git a/xchange-stream-bitmex/pom.xml b/xchange-stream-bitmex/pom.xml
index d3baf64235c..0932e6f5593 100644
--- a/xchange-stream-bitmex/pom.xml
+++ b/xchange-stream-bitmex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bitmex</artifactId>
 
diff --git a/xchange-stream-bitstamp/pom.xml b/xchange-stream-bitstamp/pom.xml
index f6d6f7f0aea..baf15753ed7 100644
--- a/xchange-stream-bitstamp/pom.xml
+++ b/xchange-stream-bitstamp/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bitstamp</artifactId>
 
diff --git a/xchange-stream-btcmarkets/pom.xml b/xchange-stream-btcmarkets/pom.xml
index 74ef842b8c8..09cf093d221 100644
--- a/xchange-stream-btcmarkets/pom.xml
+++ b/xchange-stream-btcmarkets/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-btcmarkets</artifactId>
 
diff --git a/xchange-stream-bybit/pom.xml b/xchange-stream-bybit/pom.xml
index 46060babbeb..62863717775 100644
--- a/xchange-stream-bybit/pom.xml
+++ b/xchange-stream-bybit/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-bybit</artifactId>
 
diff --git a/xchange-stream-cexio/pom.xml b/xchange-stream-cexio/pom.xml
index 37d3b536890..4a1025ca08b 100644
--- a/xchange-stream-cexio/pom.xml
+++ b/xchange-stream-cexio/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-cexio</artifactId>
 
diff --git a/xchange-stream-coinbasepro/pom.xml b/xchange-stream-coinbasepro/pom.xml
index 4842d8560af..49436d50526 100644
--- a/xchange-stream-coinbasepro/pom.xml
+++ b/xchange-stream-coinbasepro/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-coinbasepro</artifactId>
 
diff --git a/xchange-stream-coincheck/pom.xml b/xchange-stream-coincheck/pom.xml
index b12e5b5587d..67971c12c58 100644
--- a/xchange-stream-coincheck/pom.xml
+++ b/xchange-stream-coincheck/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-coincheck</artifactId>
 
diff --git a/xchange-stream-coinjar/pom.xml b/xchange-stream-coinjar/pom.xml
index 9d2174e253e..06d50de593a 100644
--- a/xchange-stream-coinjar/pom.xml
+++ b/xchange-stream-coinjar/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-coinjar</artifactId>
 
diff --git a/xchange-stream-coinmate/pom.xml b/xchange-stream-coinmate/pom.xml
index 9291c55ba13..e7343b534e7 100644
--- a/xchange-stream-coinmate/pom.xml
+++ b/xchange-stream-coinmate/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-coinmate</artifactId>
 
diff --git a/xchange-stream-core/pom.xml b/xchange-stream-core/pom.xml
index acd79882aff..3e49b579995 100644
--- a/xchange-stream-core/pom.xml
+++ b/xchange-stream-core/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-core</artifactId>
 
diff --git a/xchange-stream-dydx/pom.xml b/xchange-stream-dydx/pom.xml
index 40fa7c1c136..443ab2f823d 100644
--- a/xchange-stream-dydx/pom.xml
+++ b/xchange-stream-dydx/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-dydx</artifactId>
 
diff --git a/xchange-stream-gateio/pom.xml b/xchange-stream-gateio/pom.xml
index 0b3575059d7..3dd5dd540fa 100644
--- a/xchange-stream-gateio/pom.xml
+++ b/xchange-stream-gateio/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-gateio</artifactId>
 
diff --git a/xchange-stream-gemini-v2/pom.xml b/xchange-stream-gemini-v2/pom.xml
index 923c86fcc34..e1b48948940 100644
--- a/xchange-stream-gemini-v2/pom.xml
+++ b/xchange-stream-gemini-v2/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-gemini-v2</artifactId>
 
diff --git a/xchange-stream-gemini/pom.xml b/xchange-stream-gemini/pom.xml
index f194eb5bfd0..394324c016c 100644
--- a/xchange-stream-gemini/pom.xml
+++ b/xchange-stream-gemini/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-gemini</artifactId>
 
diff --git a/xchange-stream-hitbtc/pom.xml b/xchange-stream-hitbtc/pom.xml
index de33472296b..1f94f811e0a 100644
--- a/xchange-stream-hitbtc/pom.xml
+++ b/xchange-stream-hitbtc/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-hitbtc</artifactId>
 
diff --git a/xchange-stream-huobi/pom.xml b/xchange-stream-huobi/pom.xml
index 4e1f04213f7..575d70fc4f8 100644
--- a/xchange-stream-huobi/pom.xml
+++ b/xchange-stream-huobi/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-huobi</artifactId>
 
diff --git a/xchange-stream-kraken/pom.xml b/xchange-stream-kraken/pom.xml
index 903ec63bc7e..24f697e9c72 100644
--- a/xchange-stream-kraken/pom.xml
+++ b/xchange-stream-kraken/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-kraken</artifactId>
 
diff --git a/xchange-stream-krakenfutures/pom.xml b/xchange-stream-krakenfutures/pom.xml
index ad37236a51c..ac00e560810 100644
--- a/xchange-stream-krakenfutures/pom.xml
+++ b/xchange-stream-krakenfutures/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-stream-krakenfutures</artifactId>
diff --git a/xchange-stream-kucoin/pom.xml b/xchange-stream-kucoin/pom.xml
index 6222e75ab0b..3480bd98ddc 100644
--- a/xchange-stream-kucoin/pom.xml
+++ b/xchange-stream-kucoin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-kucoin</artifactId>
 
diff --git a/xchange-stream-lgo/pom.xml b/xchange-stream-lgo/pom.xml
index ec46edf89f4..d08d9d6cd4a 100644
--- a/xchange-stream-lgo/pom.xml
+++ b/xchange-stream-lgo/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-lgo</artifactId>
 
diff --git a/xchange-stream-okcoin/pom.xml b/xchange-stream-okcoin/pom.xml
index bcedfc14620..4875c8b2b7f 100644
--- a/xchange-stream-okcoin/pom.xml
+++ b/xchange-stream-okcoin/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-okcoin</artifactId>
 
diff --git a/xchange-stream-okex/pom.xml b/xchange-stream-okex/pom.xml
index 458d188fdf7..9516fc9cb47 100644
--- a/xchange-stream-okex/pom.xml
+++ b/xchange-stream-okex/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-okex</artifactId>
 
diff --git a/xchange-stream-poloniex2/pom.xml b/xchange-stream-poloniex2/pom.xml
index f90c82fae8d..bfe510acab2 100644
--- a/xchange-stream-poloniex2/pom.xml
+++ b/xchange-stream-poloniex2/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-poloniex2</artifactId>
 
diff --git a/xchange-stream-serum/pom.xml b/xchange-stream-serum/pom.xml
index a4b59db3325..867d4fbddcd 100644
--- a/xchange-stream-serum/pom.xml
+++ b/xchange-stream-serum/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-serum</artifactId>
 
diff --git a/xchange-stream-service-core/pom.xml b/xchange-stream-service-core/pom.xml
index 9c79095fe11..d9331988519 100644
--- a/xchange-stream-service-core/pom.xml
+++ b/xchange-stream-service-core/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-service-core</artifactId>
 
diff --git a/xchange-stream-service-netty/pom.xml b/xchange-stream-service-netty/pom.xml
index b268d07de80..f25ce425193 100644
--- a/xchange-stream-service-netty/pom.xml
+++ b/xchange-stream-service-netty/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-service-netty</artifactId>
 
diff --git a/xchange-stream-service-pubnub/pom.xml b/xchange-stream-service-pubnub/pom.xml
index 1becfe32de1..e51a22197e8 100644
--- a/xchange-stream-service-pubnub/pom.xml
+++ b/xchange-stream-service-pubnub/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-stream-service-pubnub</artifactId>
 
diff --git a/xchange-tradeogre/pom.xml b/xchange-tradeogre/pom.xml
index 5519765eca9..9636d268daf 100644
--- a/xchange-tradeogre/pom.xml
+++ b/xchange-tradeogre/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-tradeogre</artifactId>
diff --git a/xchange-truefx/pom.xml b/xchange-truefx/pom.xml
index d1ab7b3be8a..5216c087b33 100644
--- a/xchange-truefx/pom.xml
+++ b/xchange-truefx/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-truefx</artifactId>
diff --git a/xchange-upbit/pom.xml b/xchange-upbit/pom.xml
index aada71f5c91..337deed9967 100644
--- a/xchange-upbit/pom.xml
+++ b/xchange-upbit/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-upbit</artifactId>
diff --git a/xchange-vaultoro/pom.xml b/xchange-vaultoro/pom.xml
index 135f5e49f2e..e4869e8a696 100644
--- a/xchange-vaultoro/pom.xml
+++ b/xchange-vaultoro/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-vaultoro</artifactId>
diff --git a/xchange-yobit/pom.xml b/xchange-yobit/pom.xml
index 15f21c1e635..cc34e4c648c 100644
--- a/xchange-yobit/pom.xml
+++ b/xchange-yobit/pom.xml
@@ -4,7 +4,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
     <artifactId>xchange-yobit</artifactId>
     <name>XChange YoBit</name>
diff --git a/xchange-zaif/pom.xml b/xchange-zaif/pom.xml
index 6a4dbff7392..62cdcf30efd 100644
--- a/xchange-zaif/pom.xml
+++ b/xchange-zaif/pom.xml
@@ -6,7 +6,7 @@
     <parent>
         <groupId>org.knowm.xchange</groupId>
         <artifactId>xchange-parent</artifactId>
-        <version>5.2.1-SNAPSHOT</version>
+        <version>5.2.1</version>
     </parent>
 
     <artifactId>xchange-zaif</artifactId>