diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 685ace0..3992820 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -19,7 +19,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.3.0','2.4.0','2.5.0','2.6.0','2.7.0','3.0.0','3.1.0']
+        ruby-version: ['2.4.0','2.5.0','2.6.0','2.7.0','3.0.0','3.1.0']
 
     steps:
     - uses: actions/checkout@v2