diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 81fd5a5..4a20cab 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby-version: ['2.3']
+        ruby-version: ['2.3', '3.0', '3.1', '3.2', '3.3']
         os: [ubuntu-latest]
 
     runs-on: ${{ matrix.os }}