diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 2d43edaa..0eaa6512 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -17,6 +17,7 @@ jobs:
       fail-fast: false
       matrix:
         ruby:
+          - '3.4'
           - '3.3'
           - '3.2'
           - '3.1'