diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index cd98e85..32f456d 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     name: Typecheck
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -34,7 +34,7 @@ jobs:
     name: Lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -51,7 +51,7 @@ jobs:
     runs-on: ubuntu-latest
     needs: [typecheck, lint]
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
@@ -73,7 +73,7 @@ jobs:
     name: Security audit
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index e7334ac..d907076 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -23,7 +23,7 @@ jobs:
         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-update.yml b/.github/workflows/dependency-update.yml
index 553b333..e4e6994 100644
--- a/.github/workflows/dependency-update.yml
+++ b/.github/workflows/dependency-update.yml
@@ -15,7 +15,7 @@ jobs:
     name: Check for updates
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with:
diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 06e2b62..d298dc3 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -19,7 +19,7 @@ jobs:
     name: Build
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - uses: oven-sh/setup-bun@v2
         with: