diff --git a/.github/workflows/unit_test.yml b/.github/workflows/unit_test.yml
index caa8b199b..f2ee6943e 100644
--- a/.github/workflows/unit_test.yml
+++ b/.github/workflows/unit_test.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Install Wenet Dependencies
         run: |
           set -eux
-          pip install -r requirements.txt
+          pip install -r requirements.txt && pip install --upgrade pip
           sudo apt update && sudo apt install -y ffmpeg  libsox-dev
       - name: Run Pytest
         run: |