diff --git a/tools/gce_setup/cloud_prod_runner.sh b/tools/gce_setup/cloud_prod_runner.sh
index 2abbc8d3cc64ea496c5e646fd586c1b9db1a2916..e40c6afd095dc9c078141586b11b30b31c2884ca 100755
--- a/tools/gce_setup/cloud_prod_runner.sh
+++ b/tools/gce_setup/cloud_prod_runner.sh
@@ -2,7 +2,7 @@
 
 main() {
   source grpc_docker.sh
-  test_cases=(large_unary empty_unary client_streaming server_streaming service_account_creds compute_engine_creds)
+  test_cases=(large_unary empty_unary ping_pong client_streaming server_streaming service_account_creds compute_engine_creds)
   clients=(cxx java go ruby node)
   for test_case in "${test_cases[@]}"
   do