diff --git a/.github/workflows/build-and-push-image.yaml b/.github/workflows/build-and-push-image.yaml
index fa76eb9..fbef149 100644
--- a/.github/workflows/build-and-push-image.yaml
+++ b/.github/workflows/build-and-push-image.yaml
@@ -32,7 +32,7 @@ jobs:
     
     steps:
     - name: Check out commit  # docs: https://github.com/actions/checkout
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
     
     # Extract the version number from the GitHub release tag and write it into
     # the `pyproject.toml` file that will be included in the container image.
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e4f1577..789ba5b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
       MONGO_DATABASE: bertron
 
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
 
       - name: Install uv
         uses: astral-sh/setup-uv@v6