diff --git a/.github/workflows/depup.yml b/.github/workflows/depup.yml
index ae5fd9d..50de607 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@v4
       - uses: reviewdog/action-depup@v1
         id: depup
         with:
diff --git a/.github/workflows/on-push-create-release.yml b/.github/workflows/on-push-create-release.yml
index 075b47e..cc4c0b4 100644
--- a/.github/workflows/on-push-create-release.yml
+++ b/.github/workflows/on-push-create-release.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           token: ${{ secrets.PAT }}
         
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 2fdb66f..c65b3fa 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -18,7 +18,7 @@ jobs:
   publish:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
 
       - uses: actions/setup-python@v4
         with:
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 9a9a738..98a96c2 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@v4
 
       # Bump version on merging Pull Requests with specific labels.
       # (bump:major,bump:minor,bump:patch)
@@ -53,6 +53,6 @@ jobs:
     if: github.event.action == 'labeled'
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - name: Post bumpr status comment
         uses: haya14busa/action-bumpr@v1
diff --git a/.github/workflows/reviewdog.yml b/.github/workflows/reviewdog.yml
index ef29bbb..247c1bc 100644
--- a/.github/workflows/reviewdog.yml
+++ b/.github/workflows/reviewdog.yml
@@ -9,7 +9,7 @@ jobs:
     name: runner / shellcheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: haya14busa/action-cond@v1
         id: reporter
         with:
@@ -26,7 +26,7 @@ jobs:
     name: runner / misspell
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: reviewdog/action-misspell@v1
         with:
           github_token: ${{ secrets.github_token }}
@@ -38,7 +38,7 @@ jobs:
     name: runner / alex
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: reviewdog/action-alex@v1
         with:
           github_token: ${{ secrets.github_token }}
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 0425721..b370665 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -13,12 +13,12 @@ jobs:
         python-version: [3.7]
     steps:
       # Checkout this repo and Python Package Template repo for validation testing.
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         with: 
           repository: microsoft/python-package-template
           path: pyproject
           clean: true
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
         with:
           path: pyaction
           clean: true
diff --git a/.github/workflows/validation.yml b/.github/workflows/validation.yml
index 6c5667e..a05c0f5 100644
--- a/.github/workflows/validation.yml
+++ b/.github/workflows/validation.yml
@@ -27,7 +27,7 @@ jobs:
           - tools: pytest
             args: -m integration
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
       - uses: Azure/login@v1.4.7
         continue-on-error: true
         with: