diff --git a/protocols/grpc/proto/BUCK b/protocols/grpc/proto/BUCK
index f0df65d..8d32ab1 100644
--- a/protocols/grpc/proto/BUCK
+++ b/protocols/grpc/proto/BUCK
@@ -2,7 +2,7 @@
     '//bucklets/grpc.bucklet'
 )
 
-PROTOBUF_VER = '3.0.2'
+PROTOBUF_VER = '3.2.0'
 GRPC_VER = '1.3.0'
 
 COMPILE_DEPS = [