diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index df30fa1..767b2d9 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -61,6 +61,9 @@ jobs:
         MIX_ENV=test mix event_store.setup
         MIX_ENV=jsonb mix event_store.setup
 
+    - name: Compile
+      run: mix compile --warnings-as-errors
+
     - name: Run tests
       run: mix test.all