diff --git a/.github/workflows/build-container.yaml b/.github/workflows/build-container.yaml
index 54be751..f2f9fc0 100644
--- a/.github/workflows/build-container.yaml
+++ b/.github/workflows/build-container.yaml
@@ -22,10 +22,10 @@ jobs:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/checkout@v5
       - name: Set build args
         run: |
-          PYTHON_VERSION=$(cat .python-version)
-          echo "PYTHON_VERSION=$PYTHON_VERSION" >> $GITHUB_ENV
+          echo "PYTHON_VERSION=$(cat .python-version)" >> $GITHUB_ENV
       - name: Build and push
         id: docker_build
         uses: docker/build-push-action@v6