diff --git a/.github/workflows/pull_request_tests.yml b/.github/workflows/pull_request_tests.yml
index 5dd76cf6..63ec809b 100755
--- a/.github/workflows/pull_request_tests.yml
+++ b/.github/workflows/pull_request_tests.yml
@@ -11,10 +11,12 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest]
-        python-version: ['3.10']
+        python-version: ['3.11']
         include:
           - os: ubuntu-latest
-            python-version: 3.9
+            python-version: '3.10'
+          - os: ubuntu-latest
+            python-version: '3.9'
 
     steps:
     - uses: actions/checkout@v3