diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index ee09de8..b6dca8c 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -13,9 +13,9 @@ jobs:
       - uses: actions/checkout@master
 
       - name: Set up Ruby 2.7
-        uses: actions/setup-ruby@v1
+        uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 2.7.x
+          ruby-version: 2.7
 
       - name: Publish to RubyGems
         run: |