diff --git a/.github/workflows/pypitest.yml b/.github/workflows/pypitest.yml
index ac3f030..8d9ca52 100644
--- a/.github/workflows/pypitest.yml
+++ b/.github/workflows/pypitest.yml
@@ -16,14 +16,14 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.9", "3.10", "3.11"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
         #python-version: ["3.10"]
     defaults:
       run:
         shell: bash -el {0}
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: mamba-org/setup-micromamba@v1
       with:
         environment-name: ecmean