diff --git a/bundler/lib/bundler/templates/newgem/github/workflows/main.yml.tt b/bundler/lib/bundler/templates/newgem/github/workflows/main.yml.tt
index 774cb263bf5c..2d774101514b 100644
--- a/bundler/lib/bundler/templates/newgem/github/workflows/main.yml.tt
+++ b/bundler/lib/bundler/templates/newgem/github/workflows/main.yml.tt
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '<%= RUBY_VERSION %>'
+          - '<%= RUBY_VERSION.split(".").take(2).join(".") %>'
 
     steps:
     - uses: actions/checkout@v2