diff --git a/.github/workflows/release-rubygem.yml b/.github/workflows/release-rubygem.yml
index a6329de..9420d1a 100644
--- a/.github/workflows/release-rubygem.yml
+++ b/.github/workflows/release-rubygem.yml
@@ -21,7 +21,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@319994f95fa847cf3fb3cd3dbe89f6dcde9f178f # v1.295.0
         with:
-          ruby-version: "3.4.9"
+          ruby-version: "4.0.2"
 
       - name: Publish ruby gem
         uses: cucumber/action-publish-rubygem@d8918cbdee789cfc78f346a96a59596b87795be1 # v1.0.0