diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9609374083..fc4554225f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -26,4 +26,4 @@ jobs:
           restore-keys: ${{ runner.os }}-gradle
 
       - name: Build and run Tests
-        run: ./gradlew check --stacktrace
+        run: ./gradlew check --stacktrace -Ddownloader=MOCK