diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e1f0888..3ae6f9e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -27,7 +27,7 @@ jobs:
           test-bot: false
 
       - name: Check out Pull Request
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           persist-credentials: false
@@ -53,7 +53,7 @@ jobs:
           test-bot: false
 
       - name: Check out Pull Request
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
           persist-credentials: false
diff --git a/.github/workflows/sync-ci-config.yml b/.github/workflows/sync-ci-config.yml
index 07a0dd3..b81e85b 100644
--- a/.github/workflows/sync-ci-config.yml
+++ b/.github/workflows/sync-ci-config.yml
@@ -14,12 +14,12 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Clone main repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           persist-credentials: false
 
       - name: Clone secondary repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           repository: Homebrew/homebrew-cask
           path: homebrew-cask