diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 8208b20f..2fd2e2fe 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -23,6 +23,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           bundler-cache: true
+          ruby-version: ruby
 
       - name: Publish to RubyGems
         uses: rubygems/release-gem@v1