1 files changed, 1 insertions, 0 deletions

diff --git a/setup.cfg b/setup.cfg
index 1214f74a..57ed31e3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -59,6 +59,7 @@ setup-hooks =
 all_files = 1
 build-dir = doc/build
 source-dir = doc/source
+warning-is-error = 1
 
 [compile_catalog]
 directory = trove/locale