diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3294d4a6d..7eb8439a4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -20,6 +20,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
+          - 3.4.1
           - 3.3.6
           - 3.2.6