diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 72b84ad..b337029 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -21,7 +21,7 @@ jobs:
     timeout-minutes: 10
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Node.js 22.x
       uses: actions/setup-node@v6
@@ -41,7 +41,7 @@ jobs:
     timeout-minutes: 10
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Node.js 22.x
       uses: actions/setup-node@v6
@@ -61,7 +61,7 @@ jobs:
     timeout-minutes: 10
     steps:
     - name: Checkout code
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     - name: Setup Node.js 22.x
       uses: actions/setup-node@v6
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index e2e96c1..1fa38a7 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -8,7 +8,7 @@ jobs:
     permissions: write-all
     steps:
       - name: Check out code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Node 18.x
         uses: actions/setup-node@v6
diff --git a/.github/workflows/typedoc.yml b/.github/workflows/typedoc.yml
index 110d909..b3b5059 100644
--- a/.github/workflows/typedoc.yml
+++ b/.github/workflows/typedoc.yml
@@ -14,7 +14,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v5
+      - uses: actions/checkout@v6
         with:
           submodules: true
       - uses: actions/setup-node@v6