diff --git a/.github/workflows/pages-deploy.yml b/.github/workflows/pages-deploy.yml
index 4d6ba6e..92fdbd6 100644
--- a/.github/workflows/pages-deploy.yml
+++ b/.github/workflows/pages-deploy.yml
@@ -22,7 +22,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: 2.7.8
           bundler-cache: true
 
       - name: Deploy