diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 22e562a..e8a37b7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -28,7 +28,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Bun
         if: matrix.setup == 'bun'
@@ -87,7 +87,7 @@ jobs:
     timeout-minutes: 30
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2
@@ -113,7 +113,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Bun
         uses: oven-sh/setup-bun@v2
@@ -136,7 +136,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout full history
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/commit-quality.yml b/.github/workflows/commit-quality.yml
index 0e12ebf..71be76c 100644
--- a/.github/workflows/commit-quality.yml
+++ b/.github/workflows/commit-quality.yml
@@ -39,7 +39,7 @@ jobs:
     timeout-minutes: 10
     steps:
       - name: Checkout full history
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index c975cf6..b37b7f6 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -24,7 +24,7 @@ jobs:
     environment: release
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/release-dry-run.yml b/.github/workflows/release-dry-run.yml
index ff4adae..7dc4861 100644
--- a/.github/workflows/release-dry-run.yml
+++ b/.github/workflows/release-dry-run.yml
@@ -16,7 +16,7 @@ jobs:
     timeout-minutes: 35
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
diff --git a/.github/workflows/security.yml b/.github/workflows/security.yml
index 75acd30..6af082f 100644
--- a/.github/workflows/security.yml
+++ b/.github/workflows/security.yml
@@ -22,7 +22,7 @@ jobs:
     timeout-minutes: 15
     steps:
       - name: Checkout full history
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           fetch-depth: 0
 
@@ -35,7 +35,7 @@ jobs:
     timeout-minutes: 20
     steps:
       - name: Checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Initialize CodeQL
         uses: github/codeql-action/init@v3