diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 67875cf..fba7a7d 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,5 +1,8 @@
 version: 2
 
+sphinx:
+  configuration: docs/source/conf.py
+
 build:
   os: "ubuntu-20.04"
   tools: