diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index 97629f58a..b6ae04848 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -15,7 +15,7 @@ jobs:
       fail-fast: false
       matrix:
         # doesn't work with CPython 3.9
-        python-version: ['3.10', '3.11', '3.12', 'pypy-3.9']
+        python-version: ['3.11', '3.12', 'pypy-3.10']
 
     steps:
     - uses: actions/checkout@v4