diff --git a/setup.py b/setup.py
index 2f73e94c4585c87167c603fb1a8e180b29018547..b149a0e607457d6e40eb1cae865f6766605751a0 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),