diff --git a/.github/workflows/lint_golang.yml b/.github/workflows/lint_golang.yml
index 885e54f..a4c647b 100644
--- a/.github/workflows/lint_golang.yml
+++ b/.github/workflows/lint_golang.yml
@@ -15,7 +15,7 @@ jobs:
     name: Lint with GolangCI
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+      - uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6
         with:
           go-version-file: go.mod
diff --git a/.github/workflows/lint_markdown.yml b/.github/workflows/lint_markdown.yml
index 3fd3b51..81d4b30 100644
--- a/.github/workflows/lint_markdown.yml
+++ b/.github/workflows/lint_markdown.yml
@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Git checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: Vale
         uses: errata-ai/vale-action@d89dee975228ae261d22c15adcd03578634d429c # v2
         with:
@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Git checkout
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: markdownlint-cli
         uses: nosborn/github-action-markdown-cli@508d6cefd8f0cc99eab5d2d4685b1d5f470042c1 # v3.5.0
         with:
diff --git a/.github/workflows/unittest.yml b/.github/workflows/unittest.yml
index 11e46b0..6dcb51f 100644
--- a/.github/workflows/unittest.yml
+++ b/.github/workflows/unittest.yml
@@ -23,7 +23,7 @@ jobs:
           git config --global core.autocrlf false
           git config --global core.eol lf
       - name: Check out code into the Go module directory
-        uses: actions/checkout@df4cb1c069e1874edd31b4311f1884172cec0e10 # v6
+        uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7
       - name: Set up Go 1.x
         uses: actions/setup-go@924ae3a1cded613372ab5595356fb5720e22ba16 # v6
         with: