diff --git a/lib/googleauth/version.rb b/lib/googleauth/version.rb
index d1083ad..a318b55 100644
--- a/lib/googleauth/version.rb
+++ b/lib/googleauth/version.rb
@@ -31,6 +31,6 @@ module Google
   # Module Auth provides classes that provide Google-specific authorization
   # used to access Google APIs.
   module Auth
-    VERSION = '0.5.3'.freeze
+    VERSION = '0.6.0'.freeze
   end
 end