diff --git a/.github/workflows/deploy-qa.yml b/.github/workflows/deploy-qa.yml
index f14297a4..5ae33300 100644
--- a/.github/workflows/deploy-qa.yml
+++ b/.github/workflows/deploy-qa.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Setup Ruby
         uses: ruby/setup-ruby@v1
         with:
-          ruby-version: '3.4.8'
+          ruby-version: '4.0.0'
           bundler-cache: true
 
       - name: Run unit tests