diff --git a/.github/workflows/go.yml b/.github/workflows/go.yml
index e959cf80..fbb84240 100644
--- a/.github/workflows/go.yml
+++ b/.github/workflows/go.yml
@@ -74,6 +74,7 @@ jobs:
       - name: Cache linkcheck
         uses: actions/cache@v4
         with:
+          key: linkcheck
           path: ./docs/book/linkcheck/cache.json
 
       - name: "build docs"