diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 9cbc36a..b5c4be8 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,6 +7,7 @@ build:
 
 sphinx:
   configuration: docs/conf.py
+  fail_on_warning: true
 
 python:
   install: