diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index e4cd7128..64e71a18 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -222,7 +222,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.9']
+        python-version: ['3.11']
 
     env:
       TOXENV: "md"