diff --git a/.github/workflows/lint-test.yaml b/.github/workflows/lint-test.yaml
index 7d381af..9bf8a79 100644
--- a/.github/workflows/lint-test.yaml
+++ b/.github/workflows/lint-test.yaml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/pr-delete.yaml b/.github/workflows/pr-delete.yaml
index 1cbf593..5a63e7f 100644
--- a/.github/workflows/pr-delete.yaml
+++ b/.github/workflows/pr-delete.yaml
@@ -15,7 +15,7 @@ jobs:
       pages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           ref: gh-pages
           fetch-depth: 0
diff --git a/.github/workflows/pr-release.yaml b/.github/workflows/pr-release.yaml
index 28b1560..9cbceb1 100644
--- a/.github/workflows/pr-release.yaml
+++ b/.github/workflows/pr-release.yaml
@@ -11,7 +11,7 @@ jobs:
       pages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Fetch history
         run: git fetch --prune --unshallow
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index ad48a3d..cc40f4c 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -18,7 +18,7 @@ jobs:
       pages: write
     steps:
       - name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Fetch history
         run: git fetch --prune --unshallow