diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index dc2daff..f14caa5 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -54,7 +54,7 @@ jobs:
           - macos-13
     steps:
     - uses: actions/checkout@v5
-    - uses: actions/setup-python@v5
+    - uses: actions/setup-python@v6
       with: {python-version: '3.x'}
     - run:  python -m pip install meson ninja
     - run:  bash -x build-meson.sh
diff --git a/.github/workflows/mpi4py.yml b/.github/workflows/mpi4py.yml
index 84f4faf..f5d0014 100644
--- a/.github/workflows/mpi4py.yml
+++ b/.github/workflows/mpi4py.yml
@@ -36,7 +36,7 @@ jobs:
         echo LD_LIBRARY_PATH=$LD_LIBRARY_PATH:$mpi_stubs/lib >> $GITHUB_ENV
 
     - name: Setup Python
-      uses: actions/setup-python@v5
+      uses: actions/setup-python@v6
       with:
         python-version: 3