diff --git a/.github/workflows/depup.yml b/.github/workflows/depup.yml
index a8910f7..2b0c3e3 100644
--- a/.github/workflows/depup.yml
+++ b/.github/workflows/depup.yml
@@ -10,7 +10,7 @@ jobs:
   reviewdog:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: haya14busa/action-depup@v1
         id: depup
         with:
@@ -36,7 +36,7 @@ jobs:
   hadolint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: haya14busa/action-depup@v1
         id: depup
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index cf70348..f7537b1 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -14,7 +14,7 @@ jobs:
     if: github.event.action != 'labeled'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
 
       # Bump version on merging Pull Requests with specific labels.
       # (bump:major,bump:minor,bump:patch)
@@ -54,6 +54,6 @@ jobs:
     if: github.event.action == 'labeled'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: Post bumpr status comment
         uses: haya14busa/action-bumpr@v1
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index 9e5df13..cc594c6 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -5,7 +5,7 @@ jobs:
     name: runner / shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: shellcheck
         uses: reviewdog/action-shellcheck@v1
         with:
@@ -15,7 +15,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code.
-        uses: actions/checkout@v2
+        uses: actions/checkout@v3
       - name: misspell
         uses: reviewdog/action-misspell@v1
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index ac3ed5f..7f842d7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -10,7 +10,7 @@ jobs:
     name: runner / hadolint (github-check)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: ./
         with:
           reporter: github-check
@@ -21,7 +21,7 @@ jobs:
     name: runner / hadolint (github-pr-review)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: ./
         with:
           reporter: github-pr-review
diff --git a/.github/workflows/yamllint.yml b/.github/workflows/yamllint.yml
index c69677f..9fbe8ea 100644
--- a/.github/workflows/yamllint.yml
+++ b/.github/workflows/yamllint.yml
@@ -7,7 +7,7 @@ jobs:
     name: check / yamllint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - name: yamllint
         uses: reviewdog/action-yamllint@v1
         with: