diff --git a/ruby/Gemfile.lock b/ruby/Gemfile.lock
index e9710315..74e65de6 100644
--- a/ruby/Gemfile.lock
+++ b/ruby/Gemfile.lock
@@ -8,20 +8,20 @@ GEM
       ruby2_keywords
     faraday-net_http (1.0.1)
     multipart-post (2.2.3)
-    mustermann (1.1.1)
+    mustermann (1.1.2)
       ruby2_keywords (~> 0.0.1)
     plaid (14.10.0)
       faraday (~> 1.0, >= 1.0.1)
     rack (2.2.4)
-    rack-protection (2.0.8.1)
+    rack-protection (2.2.0)
       rack
-    ruby2_keywords (0.0.2)
-    sinatra (2.0.8.1)
+    ruby2_keywords (0.0.5)
+    sinatra (2.2.0)
       mustermann (~> 1.0)
-      rack (~> 2.0)
-      rack-protection (= 2.0.8.1)
+      rack (~> 2.2)
+      rack-protection (= 2.2.0)
       tilt (~> 2.0)
-    tilt (2.0.10)
+    tilt (2.0.11)
 
 PLATFORMS
   ruby