diff --git a/requirements.txt b/requirements.txt
index 99c94b2..c196b4d 100755
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,8 +8,8 @@
 docker-py
 fluent-logger>=0.4.3
 grpc>=0.3
-grpcio>=1.0.0
-grpcio-tools>=1.0.0
+grpcio==1.3.5
+grpcio-tools==1.3.5
 hash_ring>=1.3.1
 hexdump>=3.3
 jinja2>=2.8