diff --git a/.github/workflows/lint-build.yml b/.github/workflows/lint-build.yml
index 4a989b2..613716c 100644
--- a/.github/workflows/lint-build.yml
+++ b/.github/workflows/lint-build.yml
@@ -118,7 +118,7 @@ jobs:
     # Rolling key restores the previous snapshot as a warm start, then saves a fresh one after build.
     # No additional content-based invalidation is needed; Hugo uses checksums itself.
     - name: Use Hugo cache
-      uses: actions/cache@v5
+      uses: actions/cache@v6
       with:
         path: ${{ env.HUGO_CACHEDIR }}
         key: ${{ runner.os }}-${{ env.CACHE_KEY }}-${{ github.run_id }}