1 files changed, 1 insertions, 0 deletions

diff --git a/setup.cfg b/setup.cfg
index 232cb18..e9ee1d5 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -44,6 +44,7 @@ paste.filter_factory =
 source-dir = doc/source
 build-dir = doc/build
 all_files = 1
+warning-is-error = 1
 
 [pbr]
 autodoc_tree_index_modules = True