diff --git a/.github/workflows/run-tests.yaml b/.github/workflows/run-tests.yaml
index 5b59f71..bdfb951 100644
--- a/.github/workflows/run-tests.yaml
+++ b/.github/workflows/run-tests.yaml
@@ -11,17 +11,21 @@ jobs:
     strategy:
       matrix:
         python-version:
+          - "3.4.10"
+          - "3.5.10"
+          - "3.6.15"
+          - "3.7.17"
           - "3.8"
           - "3.9"
           - "3.10"
           - "3.11"
           - "3.12"
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-20.04
     steps:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
+        uses: actions/setup-python@v3
         with:
           python-version: ${{ matrix.python-version }}
       - name: Install dependencies