diff --git a/protocols/grpc/ctl/BUCK b/protocols/grpc/ctl/BUCK
index e0c2b6d..36681b5 100644
--- a/protocols/grpc/ctl/BUCK
+++ b/protocols/grpc/ctl/BUCK
@@ -1,5 +1,5 @@
 PROTOBUF_VER = '3.2.0'
-GRPC_VER = '1.3.0'
+GRPC_VER = '1.3.1'
 
 COMPILE_DEPS = [
     '//lib:CORE_DEPS',