diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 8ef1cf1..3d2ad9b 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,7 +17,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       with:
         submodules: true  # fetch Hugo themes (true OR recursive)
         fetch-depth: 0    # fetch all history for .GitInfo and .Lastmod