diff --git a/.readthedocs.yml b/.readthedocs.yml
index 00d53d67..6fd73494 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,5 +1,8 @@
 version: 2
 
+sphinx:
+  configuration: docs/source/conf.py
+
 # Set build image and Python version
 
 build: