diff --git a/.github/workflows/post-merge-tests.yml b/.github/workflows/post-merge-tests.yml
index 4229e47b2..696590541 100644
--- a/.github/workflows/post-merge-tests.yml
+++ b/.github/workflows/post-merge-tests.yml
@@ -158,8 +158,8 @@ jobs:
     timeout-minutes: 60
     strategy:
       matrix:
-        python-version: ['3.12']
-        os: ['ubuntu-20.04', 'ubuntu-22.04']
+        python-version: ['3.13']
+        os: ['ubuntu-22.04', 'ubuntu-24.04']
       fail-fast: false
     env:
       HDF5_LIBDIR: /usr/lib/x86_64-linux-gnu/hdf5/serial