diff --git a/.kokoro/psm_interop_kokoro_lib.sh b/.kokoro/psm_interop_kokoro_lib.sh
index 1fdefd1b..51d68308 100644
--- a/.kokoro/psm_interop_kokoro_lib.sh
+++ b/.kokoro/psm_interop_kokoro_lib.sh
@@ -1018,6 +1018,7 @@ test_driver_compile_protos() {
     "${TEST_DRIVER_PROTOS_PATH}/test.proto"
     "${TEST_DRIVER_PROTOS_PATH}/messages.proto"
     "${TEST_DRIVER_PROTOS_PATH}/empty.proto"
+    "${TEST_DRIVER_PROTOS_PATH}/xdsconfig/xdsconfig.proto"
   )
   psm::tools::log "Generate python code from grpc.testing protos: ${protos[*]}"
   cd "${TEST_DRIVER_REPO_DIR}"