diff --git a/.github/workflows/lint-and-test.yml b/.github/workflows/lint-and-test.yml
index f128606d..e24c02f8 100644
--- a/.github/workflows/lint-and-test.yml
+++ b/.github/workflows/lint-and-test.yml
@@ -10,7 +10,7 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: '3.x'
+        python-version: ['3.x']
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python ${{ matrix.python-version }}