diff --git a/.github/workflows/pytest-ci.yml b/.github/workflows/pytest-ci.yml
index fb0160333..7bf97aaf1 100644
--- a/.github/workflows/pytest-ci.yml
+++ b/.github/workflows/pytest-ci.yml
@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:  
       matrix:  
-        python-version: [3.8.8, 3.12.4]
+        python-version: [3.6.8, 3.8.8, 3.12.4]
     steps:  
     - uses: actions/checkout@v4
     - name: Set up Python ${{ matrix.python-version }}