diff --git a/readthedocs.yml b/readthedocs.yml
index d9f416b..a4100a5 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -1,5 +1,8 @@
 version: 2
 
+sphinx:
+  configuration: docs/source/conf.py
+
 build:
   os: "ubuntu-22.04"
   tools: