diff --git a/.github/workflows/unit_tests.yml b/.github/workflows/unit_tests.yml
index b5a17092..e2667267 100644
--- a/.github/workflows/unit_tests.yml
+++ b/.github/workflows/unit_tests.yml
@@ -18,7 +18,7 @@ jobs:
         uses: actions/setup-python@v2
         with:
           #          python-version: ${{ matrix.python-version }}
-          python-version: 3.10
+          python-version: '3.10'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip