diff --git a/tests/run_config.yaml b/tests/run_config.yaml
index e7466af6..72c61a08 100644
--- a/tests/run_config.yaml
+++ b/tests/run_config.yaml
@@ -66,11 +66,13 @@ envs:
   default: # default env, case not in other env will in default, pytorch.
     dependencies: # requirement packages，pip install before test case run.
       - numpy>=1.20
+      - protobuf<4,>=3.20.2
   tensorflow1x: #  cases excuted  tensorflow1.x framework.
     requirements: # requirements files run before test case run.
       - tensorflow1x.txt
     dependencies: # requirement packages，pip install before test case run.
       - numpy==1.18.5
+      - protobuf>=3.19.0,<3.21.0
     tests:
       - test_text_to_speech.py
       - test_csanmt_translation.py