diff --git a/.gitea/workflows/lint.yaml b/.gitea/workflows/lint.yaml
index ee0ab74..b96a235 100644
--- a/.gitea/workflows/lint.yaml
+++ b/.gitea/workflows/lint.yaml
@@ -15,6 +15,9 @@ jobs:
     runs-on: cth-ubuntu-latest
     steps:
     - uses: actions/checkout@v4
+    - uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: 3.1.2
     - run: |
         gem install bundler
         bundle install