diff --git a/.github/workflows/python-app.yaml b/.github/workflows/python-app.yaml
index f255475..667179a 100644
--- a/.github/workflows/python-app.yaml
+++ b/.github/workflows/python-app.yaml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.10", "3.11", "3.12"]
     steps:
     - uses: actions/checkout@v4
     - name: provision-with-micromamba