diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index e2266b6..8f999de 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -18,7 +18,7 @@ jobs:
     name: Verify (fmt / lint / check)
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
 
       - name: Setup Deno
         uses: denoland/setup-deno@v2
diff --git a/.github/workflows/docs-deploy.yml b/.github/workflows/docs-deploy.yml
index 0dc1fc5..d839e49 100644
--- a/.github/workflows/docs-deploy.yml
+++ b/.github/workflows/docs-deploy.yml
@@ -32,7 +32,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
 
       - name: Setup Deno
         uses: denoland/setup-deno@v2