diff --git a/README.md b/README.md
index 7dfa505..eaf35d4 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ BandChain.js is a library for interacting with BandChain in browser and Node.js
 
 ## 📦 Installation
 
-BandChain.js is currently supported on NodeJS 16.x, and 18.x.
+BandChain.js is currently supported on Node.js 16.x, >= 18.x.
 
 ### NPM
 
@@ -26,33 +26,6 @@ yarn add @bandprotocol/bandchain.js
 
 ## Compatibility
 
-Band 2.2.0, Cosmos SDK 0.44.0, IBC-go 1.1.0
+BandChain v3.0.0, Cosmos SDK v0.50.0, IBC-go v8.5.2
 
 ## Usage
-
-#### Retrieving Price Data
-
-```js
-const { Client } = require('@bandprotocol/bandchain.js')
-
-// BandChain's Proof-of-Authority REST endpoint
-const endpoint = 'https://laozi-testnet6.bandchain.org/grpc-web'
-const client = new Client(endpoint)
-
-// This example demonstrates how to query price data from
-// Band's standard dataset
-async function exampleGetReferenceData() {
-  const rate = await client.getReferenceData(
-    ['BTC/USD', 'BTC/ETH', 'EUR/USD', 'EUR/ETH'],
-    3,
-    4,
-  )
-  return rate
-}
-
-;(async () => {
-  console.log(await exampleGetReferenceData())
-})()
-```
-
-For more examples, please see [`example`](example/) folder.
diff --git a/package.json b/package.json
index b13938a..33d0dfb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@bandprotocol/bandchain.js",
-  "version": "2.5.0-alpha",
+  "version": "2.5.0",
   "description": "Library for interacting with BandChain in browser and Node.js environments",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
diff --git a/proto/chain b/proto/chain
new file mode 160000
index 0000000..21710ba
--- /dev/null
+++ b/proto/chain
@@ -0,0 +1 @@
+Subproject commit 21710ba551618fd55a027f9fc2e24dd428fb788d
diff --git a/proto/cosmos-proto b/proto/cosmos-proto
new file mode 160000
index 0000000..3e53812
--- /dev/null
+++ b/proto/cosmos-proto
@@ -0,0 +1 @@
+Subproject commit 3e53812559a5f89540930b1a40f16266a73ce1c9
diff --git a/proto/cosmos-sdk b/proto/cosmos-sdk
new file mode 160000
index 0000000..b45cf75
--- /dev/null
+++ b/proto/cosmos-sdk
@@ -0,0 +1 @@
+Subproject commit b45cf753a7a344a275e0489c03360fc91663c220
diff --git a/proto/ibc-go b/proto/ibc-go
new file mode 160000
index 0000000..a766bce
--- /dev/null
+++ b/proto/ibc-go
@@ -0,0 +1 @@
+Subproject commit a766bce91b4a2bb469d6a572cba0f0d2351d2cdd