diff --git a/.github/workflows/ci_conda.yml b/.github/workflows/ci_conda.yml
index 9c9c500..9e562c9 100644
--- a/.github/workflows/ci_conda.yml
+++ b/.github/workflows/ci_conda.yml
@@ -7,7 +7,7 @@ jobs:
 
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Set up Conda
       uses: conda-incubator/setup-miniconda@v3
diff --git a/.github/workflows/ci_docker.yml b/.github/workflows/ci_docker.yml
index e7142ae..b1b9a1f 100644
--- a/.github/workflows/ci_docker.yml
+++ b/.github/workflows/ci_docker.yml
@@ -11,7 +11,7 @@ jobs:
     container: dolfinx/dolfinx:${{ matrix.container_version }}
     steps:
         - name: Checkout code
-          uses: actions/checkout@v5
+          uses: actions/checkout@v6
       
         - name: Install local package and dependencies
           run: |
diff --git a/.github/workflows/code_formatting.yml b/.github/workflows/code_formatting.yml
index f9cd057..542b7b2 100644
--- a/.github/workflows/code_formatting.yml
+++ b/.github/workflows/code_formatting.yml
@@ -6,7 +6,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Set up Python
         uses: actions/setup-python@v5
diff --git a/.github/workflows/python-publish.yml b/.github/workflows/python-publish.yml
index 99ce1f7..a8842b2 100644
--- a/.github/workflows/python-publish.yml
+++ b/.github/workflows/python-publish.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: actions/setup-python@v5
         with: