diff --git a/VERSION b/VERSION
index 5a5c721..ba0a719 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-1.50.0
+1.51.0
diff --git a/src/PubSubClient.php b/src/PubSubClient.php
index cafd027..154b320 100644
--- a/src/PubSubClient.php
+++ b/src/PubSubClient.php
@@ -87,7 +87,7 @@ class PubSubClient
     use IncomingMessageTrait;
     use ResourceNameTrait;
 
-    const VERSION = '1.50.0';
+    const VERSION = '1.51.0';
 
     const FULL_CONTROL_SCOPE = 'https://www.googleapis.com/auth/pubsub';