diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7c656a6..58b9d39 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -142,7 +142,7 @@ jobs:
       - name: Set up Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: 3.3.5
+          ruby-version: .ruby-version
           bundler-cache: true
       - uses: webfactory/ssh-agent@v0.9.0
         with: