diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index ec09ff3..816f52e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: [3.2, 3.3]
+        ruby-version: [3.3, 3.4]
 
     steps:
     - uses: actions/checkout@v3