diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0d340f1d..2004d1f2 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -14,7 +14,7 @@ jobs:
     name: "Execute and convert the notebooks to HTML"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
 
       - name: Set up Python
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3  # v5.2.0
diff --git a/.github/workflows/prs.yml b/.github/workflows/prs.yml
index 0edce0e2..cd1aa81f 100644
--- a/.github/workflows/prs.yml
+++ b/.github/workflows/prs.yml
@@ -16,7 +16,7 @@ jobs:
     name: "Execute and convert the notebooks to HTML"
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/test-scripts.yml b/.github/workflows/test-scripts.yml
index 7b225c94..9570d652 100644
--- a/.github/workflows/test-scripts.yml
+++ b/.github/workflows/test-scripts.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     if: contains(github.event.pull_request.labels.*.name, 'infrastructure')
     steps:
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938  # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871  # v4.2.1
         with:
           fetch-depth: 0