diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 3a48ace..e674932 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -9,16 +9,16 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.7, 3.8, 3.9]
+        python-version: [3.8, 3.9, '3.10', '3.11', '3.12', '3.13']
     steps:
     - name: Setup Graphviz
       uses: ts-graphviz/setup-graphviz@v1
     - name: Checkout repository and submodules
-      uses: actions/checkout@v1
+      uses: actions/checkout@v4
       with:
         submodules: recursive
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v5
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
@@ -34,6 +34,6 @@ jobs:
     - name: Test with pytest
       run: |
         python -m pytest --cov --cov-config=.coveragerc
-    - uses: codecov/codecov-action@v1
+    - uses: codecov/codecov-action@v5
       with:
         token: ${{ secrets.CODECOV_TOKEN }} # not required for public repos