diff --git a/.github/workflows/non_omv.yml b/.github/workflows/non_omv.yml
index 05ce534c..f279ddc4 100644
--- a/.github/workflows/non_omv.yml
+++ b/.github/workflows/non_omv.yml
@@ -65,6 +65,7 @@ jobs:
         
     - name: Run test script
       run: |
+        pip install ruff
         ./test.sh
         
     - name: Final version info