diff --git a/api/api_versions_trimmer_unittests.py b/api/api_versions_trimmer_unittests.py
index 4eb929e..d2e5b7d 100644
--- a/api/api_versions_trimmer_unittests.py
+++ b/api/api_versions_trimmer_unittests.py
@@ -304,4 +304,4 @@
 
 
 if __name__ == "__main__":
-  unittest.main()
+  unittest.main(verbosity=2)