diff --git a/api/pom.xml b/api/pom.xml
index 48fe2a3..2208a7c 100644
--- a/api/pom.xml
+++ b/api/pom.xml
@@ -4,7 +4,7 @@
 
     <groupId>com.messagebird</groupId>
     <artifactId>messagebird-api</artifactId>
-    <version>5.1.1-SNAPSHOT</version> <!--
+    <version>5.1.1</version> <!--
         are you going to bump a major number?
         then you are pleased to replace com.messagebird.Base64 with some library, for example net.iharder.base64
     -->
diff --git a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
index 32e1349..56314ab 100644
--- a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
+++ b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
@@ -71,7 +71,7 @@ public class MessageBirdServiceImpl implements MessageBirdService {
 
     private final String accessKey;
     private final String serviceUrl;
-    private final String clientVersion = "5.1.0";
+    private final String clientVersion = "5.1.1";
     private final String userAgentString;
     private Proxy proxy = null;
 
diff --git a/examples/pom.xml b/examples/pom.xml
index 933b414..9132318 100644
--- a/examples/pom.xml
+++ b/examples/pom.xml
@@ -6,7 +6,7 @@
 
     <groupId>com.messagebird</groupId>
     <artifactId>examples</artifactId>
-    <version>5.1.0</version>
+    <version>5.1.1</version>
 
     <licenses>
         <license>
@@ -20,7 +20,7 @@
         <dependency>
             <groupId>com.messagebird</groupId>
             <artifactId>messagebird-api</artifactId>
-            <version>5.1.0</version>
+            <version>5.1.1</version>
             <scope>compile</scope>
         </dependency>
     </dependencies>