diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index b72a370..6243223 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -13,6 +13,7 @@ formats:
 
 sphinx:
   configuration: docs/source/conf.py
+  fail_on_warning: true
 
 python:
   install: