diff --git a/lib/protobuf/version.rb b/lib/protobuf/version.rb
index b5918f09..8dfbb929 100644
--- a/lib/protobuf/version.rb
+++ b/lib/protobuf/version.rb
@@ -1,3 +1,3 @@
 module Protobuf
-  VERSION = '3.3.5'
+  VERSION = '3.3.6'
 end