diff --git a/.github/workflows/test_pr_and_main.yml b/.github/workflows/test_pr_and_main.yml
index 75076e70..d328aab5 100644
--- a/.github/workflows/test_pr_and_main.yml
+++ b/.github/workflows/test_pr_and_main.yml
@@ -167,7 +167,7 @@ jobs:
     needs: [ruff]
     strategy:
       matrix:
-        python-version: [3.8, 3.9]
+        python-version: [3.9]
     steps:
     - uses: actions/checkout@v1
     - name: setup conda