diff --git a/.github/workflows/containers.yml b/.github/workflows/containers.yml
index e8ed747..4dbdd2d 100644
--- a/.github/workflows/containers.yml
+++ b/.github/workflows/containers.yml
@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Build Docker container
         run: docker build -t local docker/${{ matrix.shmem }}/
       - name: run shmem4py test-1
diff --git a/.github/workflows/native.yml b/.github/workflows/native.yml
index 5984b9a..9d761fd 100644
--- a/.github/workflows/native.yml
+++ b/.github/workflows/native.yml
@@ -33,7 +33,7 @@ jobs:
 
     steps:
     - name: Checkout
-      uses: actions/checkout@v3
+      uses: actions/checkout@v4
 
     - name: Setup MPI (${{ matrix.mpi }})
       uses: mpi4py/setup-mpi@v1