diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 4bc2786..78eb547 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -25,6 +25,6 @@ jobs:
           egress-policy: audit
 
       - name: 'Checkout Repository'
-        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/depup.yml b/.github/workflows/depup.yml
index 08844c7..f3b6705 100644
--- a/.github/workflows/depup.yml
+++ b/.github/workflows/depup.yml
@@ -26,7 +26,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: reviewdog/action-depup@0e4ab9e4a2328dad5d2fa348377611c028c20889 # v1.6.0
         id: depup
         with:
@@ -62,7 +62,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: reviewdog/action-depup@0e4ab9e4a2328dad5d2fa348377611c028c20889 # v1.6.0
         id: depup-checkstyle
         with:
diff --git a/.github/workflows/dockerimage.yml b/.github/workflows/dockerimage.yml
index e46a7a1..0c9cff2 100644
--- a/.github/workflows/dockerimage.yml
+++ b/.github/workflows/dockerimage.yml
@@ -20,6 +20,6 @@ jobs:
       with:
         egress-policy: audit
 
-    - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+    - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
     - name: Build the Docker image
       run: docker build . --file Dockerfile --tag ${{ github.repository }}:$(date +%s)
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6827c83..203f487 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -30,7 +30,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       # Bump version on merging Pull Requests with specific labels.
       # (bump:major,bump:minor,bump:patch)
@@ -77,6 +77,6 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: Post bumpr status comment
         uses: haya14busa/action-bumpr@78ab5a104d20896c9c9122c64221b3aecf1a8cbb # v1.10.0
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 46a6d11..7ce9c89 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -27,7 +27,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: haya14busa/action-cond@94f77f7a80cd666cb3155084e428254fea4281fd # v1.2.1
         id: reporter
         with:
@@ -54,7 +54,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: haya14busa/action-cond@94f77f7a80cd666cb3155084e428254fea4281fd # v1.2.1
         id: reporter
         with:
@@ -81,7 +81,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: markdown-lint
         uses: reviewdog/action-markdownlint@28fb4224271253fedd5079b61de820d6228041fd # v0.25.0
         with:
@@ -103,7 +103,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: reviewdog/action-misspell@ef8b22c1cca06c8d306fc6be302c3dab0f6ca12f # v1.23.0
         with:
           github_token: ${{ secrets.github_token }}
@@ -125,7 +125,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: reviewdog/action-alex@73756e09c07d6025e86f0ac5605b65f2d4b4b78b # v1.14.0
         with:
           github_token: ${{ secrets.github_token }}
diff --git a/.github/workflows/scorecards.yml b/.github/workflows/scorecards.yml
index 803892b..63481b1 100644
--- a/.github/workflows/scorecards.yml
+++ b/.github/workflows/scorecards.yml
@@ -38,7 +38,7 @@ jobs:
           egress-policy: audit
 
       - name: "Checkout code"
-        uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+        uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
         with:
           persist-credentials: false
 
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 896109b..13205ee 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -25,7 +25,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}
@@ -46,7 +46,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}
@@ -65,7 +65,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}
@@ -84,7 +84,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}
@@ -103,7 +103,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}
@@ -121,7 +121,7 @@ jobs:
         with:
           egress-policy: audit
 
-      - uses: actions/checkout@d632683dd7b4114ad314bca15554477dd762a938 # v4.2.0
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - uses: ./
         with:
           github_token: ${{ secrets.github_token }}