diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 35e71914..f7ca9639 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,13 +14,13 @@ jobs:
     strategy:
       max-parallel: 6
       matrix:
-        python-version: [3.7, 3.8, 3.9, 3.10, 3.11]
+        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
     steps:
       - uses: actions/checkout@v3
-      - name: 'Set up Python ${{ matrix.python-version }}'
+      - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@v4
         with:
-          python-version: '${{ matrix.python-version }}'
+          python-version: ${{ matrix.python-version }}
       - name: Install dependencies
         run: pip install tox tox-gh-actions
       - name: Tests
@@ -28,7 +28,7 @@ jobs:
       - name: Coveralls
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          COVERALLS_FLAG_NAME: 'python-${{ matrix.python-version }}'
+          COVERALLS_FLAG_NAME: python-${{ matrix.python-version }}
           COVERALLS_PARALLEL: true
         run: |
           pip3 install coveralls