diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index f209d4b..940ef17 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: pnpm lint
 
@@ -25,7 +25,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: pnpm typecheck
 
@@ -33,7 +33,7 @@ jobs:
     name: Test
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - run: pnpm test
 
@@ -41,7 +41,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - uses: ./.github/actions/setup
       - name: Build
         run: pnpm build
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index cfeb2ab..d886cc2 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -26,7 +26,7 @@ jobs:
       matrix:
         language: [javascript-typescript]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3
diff --git a/.github/workflows/dependency-review.yml b/.github/workflows/dependency-review.yml
index 941673d..8170f46 100644
--- a/.github/workflows/dependency-review.yml
+++ b/.github/workflows/dependency-review.yml
@@ -12,7 +12,7 @@ jobs:
     name: Review changed dependencies
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Dependency review
         uses: actions/dependency-review-action@v4