Bump python protobuf dependency to 3.0.0
diff --git a/setup.py b/setup.py
index b43ec9a..1dddf55 100644
--- a/setup.py
+++ b/setup.py
@@ -189,7 +189,7 @@
     'futures>=2.2.0',
     # TODO(atash): eventually split the grpcio package into a metapackage
     # depending on protobuf and the runtime component (independent of protobuf)
-    'protobuf>=3.0.0a3',
+    'protobuf>=3.0.0',
 )
 
 SETUP_REQUIRES = INSTALL_REQUIRES + (