diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 0783b750c..ff0ff41c9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -33,6 +33,11 @@ jobs:
       - name: Run a production build
         run: npm run build:production
 
+      - name: Update config.json for testing
+        run: |
+          jq '.multiserver=true | .servers=["https://demo.jellyfin.org/unstable"]' dist/config.json > dist/config.tmp.json
+          mv dist/config.tmp.json dist/config.json
+
       - name: Upload artifact
         uses: actions/upload-artifact@a8a3f3ad30e3422c9c7b888a15615d19a852ae32 # v3.1.3
         with: