diff --git a/.github/actions/setup-project/action.yml b/.github/actions/setup-project/action.yml
index c0dbec0..94d0ed8 100644
--- a/.github/actions/setup-project/action.yml
+++ b/.github/actions/setup-project/action.yml
@@ -32,6 +32,7 @@ runs:
 
     - name: Get full Python version
       id: full-python-version
+      shell: bash
       run: echo version=$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))") >> $GITHUB_OUTPUT
 
     - name: Load cached venv