diff --git a/.github/workflows/actionlint.yml b/.github/workflows/actionlint.yml
index 56af06c..bb36f49 100644
--- a/.github/workflows/actionlint.yml
+++ b/.github/workflows/actionlint.yml
@@ -18,7 +18,7 @@ jobs:
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           persist-credentials: false
       - uses: reviewdog/action-actionlint@6fb7acc99f4a1008869fa8a0f09cfca740837d9d # v1.72.0
diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d6527b5..bcf27bb 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -65,7 +65,7 @@ jobs:
             echo "::error::test_ref is set but test_repo is empty. They must be specified together."
             exit 1
           fi
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           repository: ${{ inputs.test_repo || github.repository }}
           ref: ${{ inputs.test_ref || github.ref }}
diff --git a/.github/workflows/get-java-ver.yml b/.github/workflows/get-java-ver.yml
index a311c7c..074fafa 100644
--- a/.github/workflows/get-java-ver.yml
+++ b/.github/workflows/get-java-ver.yml
@@ -47,7 +47,7 @@ jobs:
             echo "::error::test_ref is set but test_repo is empty. They must be specified together."
             exit 1
           fi
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           repository: ${{ inputs.test_repo || github.repository }}
           ref: ${{ inputs.test_ref || github.ref }}
diff --git a/.github/workflows/ktlint.yml b/.github/workflows/ktlint.yml
index 3ac263e..e7ce694 100644
--- a/.github/workflows/ktlint.yml
+++ b/.github/workflows/ktlint.yml
@@ -48,7 +48,7 @@ jobs:
             echo "::error::test_ref is set but test_repo is empty. They must be specified together."
             exit 1
           fi
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           repository: ${{ inputs.test_repo || github.repository }}
           ref: ${{ inputs.test_ref || github.ref }}
diff --git a/.github/workflows/publish_to_maven-repo.yml b/.github/workflows/publish_to_maven-repo.yml
index df19a0c..4672385 100644
--- a/.github/workflows/publish_to_maven-repo.yml
+++ b/.github/workflows/publish_to_maven-repo.yml
@@ -94,7 +94,7 @@ jobs:
             echo "::error::Missing required secrets for non-dry-run publish: ${missing[*]}"
             exit 1
           fi
-      - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6.0.3
         with:
           repository: ${{ inputs.test_repo || github.repository }}
           ref: ${{ inputs.test_ref || github.ref }}