diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index b2b559e2..13b64a16 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        ruby: [2.5, 2.6, 2.7]
+        ruby: [2.5, 2.6, 2.7, 3.0]
     services:
       redis:
         image: redis