diff --git a/.github/workflows/packaging.yml b/.github/workflows/packaging.yml
index 094f5b3..0d8735a 100644
--- a/.github/workflows/packaging.yml
+++ b/.github/workflows/packaging.yml
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.10]
+        python-version: ['3.10']
     steps:
     - uses: actions/checkout@v1
     - name: Set up Python ${{ matrix.python-version }}