diff --git a/src/python/src/setup.py b/src/python/src/setup.py
index 23f128636e4ffb43f9777a8f131cd5465fb65999..26121dcfab681ce19ec29b713b031ce7ecde7c96 100644
--- a/src/python/src/setup.py
+++ b/src/python/src/setup.py
@@ -81,6 +81,6 @@ _PACKAGE_DIRECTORIES = {
 }
 
 _core.setup(
-    name='grpc-2015', version='0.0.1',
+    name='grpc-2015', version='0.4.0',
     ext_modules=[_EXTENSION_MODULE], packages=_PACKAGES,
     package_dir=_PACKAGE_DIRECTORIES)