diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b26bff4..222d55b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -5,16 +5,12 @@ on:
   workflow_dispatch:
 jobs:
   test:
-    strategy:
-      fail-fast: false
-      matrix:
-        python-version: [3.x]
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
+          python-version: "3.12"
       - run: |
          cd maxdiff
          python3 tests/test.py