diff --git a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
index 3813f6c6..f9c359e0 100644
--- a/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
+++ b/api/src/main/java/com/messagebird/MessageBirdServiceImpl.java
@@ -57,7 +57,7 @@ public class MessageBirdServiceImpl implements MessageBirdService {
 
     private final String accessKey;
     private final String serviceUrl;
-    private final String clientVersion = "2.0.0";
+    private final String clientVersion = "2.1.0";
     private final String userAgentString;
     private Proxy proxy = null;