diff --git a/setup.py b/setup.py
index 2f73e94c458..b149a0e6074 100644
--- a/setup.py
+++ b/setup.py
@@ -199,7 +199,7 @@ else:
 
 setuptools.setup(
     name='grpcio',
-    version='0.12.0b6',
+    version='0.12.0b8',
     license=LICENSE,
     ext_modules=CYTHON_EXTENSION_MODULES,
     packages=list(PACKAGES),