diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 39706c2..5e8757f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -9,7 +9,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-20.04, macos-13]
-        ruby: [2.2, 2.3, 2.4, 2.5, 2.6, head, jruby, jruby-head]
+        ruby: [2.2, 2.3, 2.4, 2.5, 2.6, 2.7, 3.0, 3.1, 3.2, 3.3, head, jruby, jruby-head]
     continue-on-error: ${{ endsWith(matrix.ruby, 'head') || endsWith(matrix.ruby, 'jruby') }}
     runs-on: ${{ matrix.os }}
     steps: