diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 5cf873e4..9860c3b6 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,10 +11,9 @@ jobs:
     - uses: actions/cache@v2
       with:
         path: vendor/bundle
-        key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile') }}
+        key: ${{ runner.os }}-gems-${{ hashFiles('Gemfile') }}
         restore-keys: ${{ runner.os }}-gems-
     # Standard usage
     - uses: helaili/jekyll-action@v2
       with:
-        pre_build_commands: gem update --system
         token: ${{ secrets.GITHUB_TOKEN }}