diff --git a/.github/workflows/pull_request.yml b/.github/workflows/pull_request.yml
index 7154fa9..6137a67 100644
--- a/.github/workflows/pull_request.yml
+++ b/.github/workflows/pull_request.yml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest] #, macos-latest]
-        python-version: ["3.12"] #, "3.9", "3.10", "3.11"]
+        python-version: ["3.11"] #, "3.9", "3.10", "3.11"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python ${{ matrix.python-version }}