diff --git a/.github/workflows/dev-test.yml b/.github/workflows/dev-test.yml
index ffbe713..fa2ee4e 100644
--- a/.github/workflows/dev-test.yml
+++ b/.github/workflows/dev-test.yml
@@ -36,7 +36,7 @@ jobs:
 
       - name: Test with pytest
         run: |
-          python -m pytest -vv --cov=traceback_with_variables --cov-report=json
+          python -Xfrozen_modules=off -m pytest -vv --cov=traceback_with_variables --cov-report=json
 
       - name: Upload coverage report
         uses: actions/upload-artifact@v4