diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 5129186..37b6df8 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -14,6 +14,7 @@ jobs:
     strategy:
       matrix:
         ruby:
+          - '3.3.0'
           - '3.2.2'
     steps:
     - uses: actions/checkout@v3