diff --git a/.readthedocs.yml b/.readthedocs.yml
index e02de96..027315c 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -13,6 +13,7 @@ build:
 
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
+    configuration: docs/source/conf.py
     fail_on_warning: false
 
 python: