diff --git a/.github/workflows/check-dist.yml b/.github/workflows/check-dist.yml
index 76dc202..e75f1e7 100644
--- a/.github/workflows/check-dist.yml
+++ b/.github/workflows/check-dist.yml
@@ -29,7 +29,7 @@ jobs:
       # Checkout the repository.
       - name: Checkout
         id: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       # Setup Node.js using the version specified in `.node-version`.
       - name: Setup Node.js
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 2d82044..c872358 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -19,7 +19,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         id: setup-node
diff --git a/.github/workflows/test-action.yml b/.github/workflows/test-action.yml
index 931ea61..4f8aefe 100644
--- a/.github/workflows/test-action.yml
+++ b/.github/workflows/test-action.yml
@@ -28,7 +28,7 @@ jobs:
     steps:
       - name: Checkout
         id: checkout
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         id: setup-node