diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 977c9d0..141c756 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index cf7ca47..955f954 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/typecheck.yml b/.github/workflows/typecheck.yml
index cba6b65..61833f5 100644
--- a/.github/workflows/typecheck.yml
+++ b/.github/workflows/typecheck.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with:
diff --git a/.github/workflows/unit-test.yml b/.github/workflows/unit-test.yml
index dce12fc..b8cd38c 100644
--- a/.github/workflows/unit-test.yml
+++ b/.github/workflows/unit-test.yml
@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v5
       - name: Set up Node.js
         uses: actions/setup-node@v4
         with: