diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0632fbe..4fdb17a 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,10 +16,10 @@ jobs:
   pylint:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
     - uses: mpi4py/setup-mpi@v1
     - name: Set up Python
-      uses: actions/setup-python@v4
+      uses: actions/setup-python@v5
       with:
         python-version: "3.10"
     - name: Install dependencies
@@ -67,12 +67,19 @@ jobs:
             mpi: intelmpi
           - os: ubuntu-latest
             mpi: msmpi
+          # mpich seems broken on Ubuntu
           - os: ubuntu-latest
             py-version: 3.8
             mpi: mpich
           - os: ubuntu-latest
             py-version: 3.9
             mpi: mpich
+          - os: ubuntu-latest
+            py-version: 3.10
+            mpi: mpich
+          - os: ubuntu-latest
+            py-version: 3.11
+            mpi: mpich
     name: ${{ matrix.mpi }} - ${{matrix.py-version}} - ${{matrix.os}}
     steps:
       - name: Checkout