diff --git a/.github/workflows/operator.yml b/.github/workflows/operator.yml
index 2585e987d..a2e3dbc96 100644
--- a/.github/workflows/operator.yml
+++ b/.github/workflows/operator.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '4.0.2'
+          ruby-version: '4.0.5'
 
       - name: Install pre-commit
         run: |