diff --git a/.github/workflows/ruby.yml b/.github/workflows/ruby.yml
index 7fde2aa..8cdca25 100644
--- a/.github/workflows/ruby.yml
+++ b/.github/workflows/ruby.yml
@@ -17,7 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-22.04]
-        ruby: ['2.7', '3.0.3']
+        ruby: ['3.0.3']
     runs-on: ${{ matrix.os }}
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || matrix.ruby == 'debug' }}
     steps:
@@ -81,7 +81,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [ '2.7', '3.0.3' ]
+        ruby: [ '3.0.3' ]
     runs-on: ubuntu-22.04
 
     env: