Update trove classifiers
diff --git a/setup.py b/setup.py
index 4ab35fb..7528ee5 100644
--- a/setup.py
+++ b/setup.py
@@ -64,7 +64,7 @@
       scripts=['bin/enable-app-engine-project'],
       license="Apache 2.0",
       keywords="google api client",
-      classifiers=['Development Status :: 4 - Beta',
+      classifiers=['Development Status :: 5 - Production/Stable',
                    'Intended Audience :: Developers',
                    'License :: OSI Approved :: Apache Software License',
                    'Operating System :: POSIX',