diff --git a/.github/workflows/testing-and-coverage.yml b/.github/workflows/testing-and-coverage.yml
index c39f18d..de5d7d4 100644
--- a/.github/workflows/testing-and-coverage.yml
+++ b/.github/workflows/testing-and-coverage.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       matrix:
         os: ['macos-latest','ubuntu-latest']
-        python-version: ['3.9', '3.10', '3.11']
+        python-version: ['3.10', '3.11', '3.12']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4