diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 7fd528d648..519e466fd1 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -14,6 +14,7 @@ build:
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/source/conf.py
+  fail_on_warning: true
 
 # We recommend specifying your dependencies to enable reproducible builds:
 # https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html