diff --git a/.readthedocs.yml b/.readthedocs.yml
index 39006cbb9..e80d705bc 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -11,3 +11,6 @@ build:
 python:
   install:
     - requirements: requirements.txt
+
+sphinx:
+  configuration: conf.py