diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a2c86bb..c7d8b704 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -9,7 +9,7 @@ jobs:
 
     strategy:
       matrix:
-        ruby: [2.5, 2.6, 2.7, 3.0]
+        ruby: [2.5, 2.6, 2.7, 3.0, 3.1]
 
     steps:
     - name: Checkout code