diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index cb94d6d71..0cc77f839 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -63,7 +63,8 @@ jobs:
           pip install -r requirements-build.txt
           pip install -r requirements-test.txt
           pip uninstall DI-engine -y
-          pip install git+http://github.com/opendilab/DI-engine.git@main#egg=DI-engine[common_env] 
+          pip install git+http://github.com/opendilab/DI-engine.git@main#egg=DI-engine[common_env]
+          pip install transformers
       - name: Run unittest on MacOS or Linux
         if: ${{ env.OS_NAME == 'MacOS' || env.OS_NAME == 'Linux'}}
         env: