diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 954c1bb..9d18980 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -10,7 +10,7 @@ jobs:
       fail-fast: false
       matrix:
         rails: ["7.1", "7.0", "6.1"]
-        ruby: ["3.2", "3.1", "3.0"]
+        ruby: ["3.3", "3.2", "3.1", "3.0"]
         exclude:
           - ruby: "3.1"
             rails: "7.1"