diff --git a/.readthedocs.yml b/.readthedocs.yml
index bafd26a..7fb92e4 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -17,4 +17,5 @@ python:
         - develop
 
 sphinx:
+  configuration: docs/sphinx/conf.py
   fail_on_warning: true