diff --git a/.github/workflows/codeql-analysis.yaml b/.github/workflows/codeql-analysis.yaml
index 59006be..be6ad29 100644
--- a/.github/workflows/codeql-analysis.yaml
+++ b/.github/workflows/codeql-analysis.yaml
@@ -24,7 +24,7 @@ jobs:
 
     steps:
     - name: Checkout repository
-      uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
diff --git a/.github/workflows/publish.yaml b/.github/workflows/publish.yaml
index ac3c34d..73dc81e 100644
--- a/.github/workflows/publish.yaml
+++ b/.github/workflows/publish.yaml
@@ -15,7 +15,7 @@ jobs:
       hashes: ${{ steps.hash.outputs.hashes }}
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           fetch-depth: 0
       - uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
diff --git a/.github/workflows/pullrequest.yaml b/.github/workflows/pullrequest.yaml
index 69dc4f4..4976178 100644
--- a/.github/workflows/pullrequest.yaml
+++ b/.github/workflows/pullrequest.yaml
@@ -24,7 +24,7 @@ jobs:
           - 3.11
           - 3.12
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Set up Python ${{ matrix.python-version }}
         uses: actions/setup-python@f677139bbe7f9c59b41e40162b753c062f5d49a3 # v5.2.0
         with:
@@ -54,7 +54,7 @@ jobs:
       id-token: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Fetch history and tags
         run: |
           git fetch --prune --unshallow
@@ -89,7 +89,7 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: "Dependency Review"
         uses: actions/dependency-review-action@5a2ce3f5b92ee19cbb1541a4984c76d921601d7c # v4
         with: