diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a119c9d..49c52f7 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -15,6 +15,9 @@ jobs:
       matrix:
         include:
         - { ruby: 2.7 }
+        - { ruby: '3.0' }
+        - { ruby: 3.1 }
+        - { ruby: 3.2 }
 
     steps:
     - uses: actions/checkout@v2