diff --git a/setup.cfg b/setup.cfg
index 15d7f2d..46cb2fb 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -23,6 +23,7 @@ data_files =
 all_files = 1
 build-dir = doc/build
 source-dir = doc/source
+warning-is-error = 1
 
 [wheel]
-universal = 1
\ No newline at end of file
+universal = 1