diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 245d9348..0fa472d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -7,7 +7,7 @@ jobs:
       fail-fast: false
       matrix:
         os: ["ubuntu", "macos", "windows"]
-        ruby: ["3.3"]
+        ruby: ["3.4"]
     runs-on: ${{ matrix.os }}-latest
     steps:
       - uses: actions/checkout@v4