diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 02fa7a88..5bc29e7c 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@6db8d6351fd0be61f9ed8ebd12ccd35dcec51fea # v3.26.11
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 9f02c220..65aafc20 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout tree
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Dependency Review
         uses: actions/dependency-review-action@5a2ce3f5b92ee19cbb1541a4984c76d921601d7c # v4.3.4
diff --git a/.github/workflows/scorecard.yml b/.github/workflows/scorecard.yml
index 53187c1f..e27cba17 100644
--- a/.github/workflows/scorecard.yml
+++ b/.github/workflows/scorecard.yml
@@ -21,7 +21,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/workflow.yml b/.github/workflows/workflow.yml
index 7fdef97a..7bdb2b6e 100644
--- a/.github/workflows/workflow.yml
+++ b/.github/workflows/workflow.yml
@@ -17,7 +17,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Set-up Node.js
         uses: actions/setup-node@0a44ba7841725637a19e28fa30b79a866c81b0a6 # v4.0.4
@@ -60,7 +60,7 @@ jobs:
 
     steps:
       - name: Checkout tree
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - name: Set-up OCaml ${{ matrix.ocaml-compiler }}
         uses: ./