diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index e2aaf6a..cbadf80 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ${{ matrix.os }}
     strategy:
       matrix:
-        python-version: [3.10]
+        python-version: ['3.10']
         os: [ubuntu-latest]
     steps:
     - uses: actions/checkout@v1