diff --git a/protocols/grpc/ctl/BUCK b/protocols/grpc/ctl/BUCK
index ad855fd..e0c2b6d 100644
--- a/protocols/grpc/ctl/BUCK
+++ b/protocols/grpc/ctl/BUCK
@@ -1,4 +1,4 @@
-PROTOBUF_VER = '3.0.2'
+PROTOBUF_VER = '3.2.0'
 GRPC_VER = '1.3.0'
 
 COMPILE_DEPS = [