diff --git a/.github/workflows/ci_tests.yml b/.github/workflows/ci_tests.yml
index 5e6eab0..87d779c 100644
--- a/.github/workflows/ci_tests.yml
+++ b/.github/workflows/ci_tests.yml
@@ -34,7 +34,7 @@ jobs:
 
           - name: Python 3.11 with latest dev versions of key dependencies
             os: ubuntu-latest
-            python: 3.9
+            python: 3.11
             toxenv: py11-test-devdeps
             toxposargs: --remote-data=any