diff --git a/.github/workflows/run_relup_tests.yaml b/.github/workflows/run_relup_tests.yaml
index 198b140ed..ca7b93064 100644
--- a/.github/workflows/run_relup_tests.yaml
+++ b/.github/workflows/run_relup_tests.yaml
@@ -39,7 +39,7 @@ jobs:
     - uses: actions/checkout@v2
       with:
         repository: emqx/emqtt-bench
-        ref: master
+        ref: 0.3.4 
         path: emqtt-bench
     - uses: actions/checkout@v2
       with: