Fixing grpc_cli_libs.
diff --git a/test/cpp/util/BUILD b/test/cpp/util/BUILD
index 61e07df..6c38d15 100644
--- a/test/cpp/util/BUILD
+++ b/test/cpp/util/BUILD
@@ -111,5 +111,7 @@
     ],
     external_deps = [
         "gflags",
+        "protobuf",
+        "protobuf_clib",
     ],
 )