diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 3a4835a..426468a 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,7 +14,7 @@ jobs:
     strategy:
       matrix:
         ruby:
-          - '3.2.2'
+          - '3.3.6'
 
     steps:
     - uses: actions/checkout@v4