diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index b2c25311..39c6fb98 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby_version: [2.7.1, 2.6.5, 2.5.7, 2.4.9, 2.3.8, jruby]
+        ruby_version: [3.0.0, 2.7.1, 2.6.5, 2.5.7, 2.4.9, 2.3.8, jruby]
         gemfile:
           [
             Gemfile,