diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 9a6ddba..36b2720 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         module: [app]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: technote-space/get-diff-action@v6
         id: git-diff-app
         with:
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index f282ea0..14e5fd9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -29,7 +29,7 @@ jobs:
       matrix:
         module: [app]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: technote-space/get-diff-action@v6
         with:
           PATTERNS: |
@@ -58,7 +58,7 @@ jobs:
       pull-requests: read  # for technote-space/get-diff-action to get git reference
     needs: [unit]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: technote-space/get-diff-action@v6
         with:
           PATTERNS: |