diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7eb397c..71b80f5 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -161,4 +161,5 @@ jobs:
         run: mix setup
 
       - name: Run tests
-        run: mix coveralls.github
+        run: mix coveralls.github --umbrella
+