diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 1996a9f..e82e580 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -12,7 +12,7 @@ jobs:
   actionlint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
       - name: "Check GitHub workflow files"
         uses: docker://docker.mirror.hashicorp.services/rhysd/actionlint:latest
         with:
diff --git a/.github/workflows/pr-gofmt.yaml b/.github/workflows/pr-gofmt.yaml
index 38f75ca..c054145 100644
--- a/.github/workflows/pr-gofmt.yaml
+++ b/.github/workflows/pr-gofmt.yaml
@@ -7,7 +7,7 @@ jobs:
   run-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
         with:
diff --git a/.github/workflows/pr-unit-tests-1.19.yaml b/.github/workflows/pr-unit-tests-1.19.yaml
index 35c4ff6..5144e21 100644
--- a/.github/workflows/pr-unit-tests-1.19.yaml
+++ b/.github/workflows/pr-unit-tests-1.19.yaml
@@ -7,7 +7,7 @@ jobs:
   run-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
         with:
diff --git a/.github/workflows/pr-unit-tests-1.20.yaml b/.github/workflows/pr-unit-tests-1.20.yaml
index 9165a58..2c790c5 100644
--- a/.github/workflows/pr-unit-tests-1.20.yaml
+++ b/.github/workflows/pr-unit-tests-1.20.yaml
@@ -7,7 +7,7 @@ jobs:
   run-tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+      - uses: actions/checkout@eef61447b9ff4aafe5dcd4e0bbf5d482be7e7871 # v4.2.1
 
       - uses: actions/setup-go@cdcb36043654635271a94b9a6d1392de5bb323a7 # v5.0.1
         with: