diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 0d942f1..3ed6a42 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -15,7 +15,7 @@ jobs:
       matrix:
         include:
           - os: ubuntu-latest
-            python-version: '3.6.15'
+            python-version: '3.7.17'
           - os: ubuntu-latest
             python-version: '3.10.15'
           - os: ubuntu-latest