diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 83bcfa9..eb9fb74 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -32,7 +32,7 @@ jobs:
       fail-fast: false
       matrix:
         # Due to https://github.com/actions/runner/issues/849, we have to use quotes for '3.0'
-        ruby: ['3.0', 3.1, 3.2]
+        ruby: [3.1, 3.2, 3.3]
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v4