diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 1352ec0..9bdc0ea 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -58,7 +58,7 @@ jobs:
     needs: [install-pandoc]
     steps:
       - name: Checkout code (shallow)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Restore Pandoc cache
         uses: actions/cache@v5
@@ -84,7 +84,7 @@ jobs:
     if: github.ref == 'refs/heads/main'
     steps:
       - name: Checkout code (for vercel.json and static assets)
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
 
       - name: Download HTML artifact
         uses: actions/download-artifact@v8