diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index dc8516ac..72437063 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -5,6 +5,9 @@ python:
     extra_requirements:
       - doc
 
+sphinx:
+  configuration: docs/conf.py
+
 # required boilerplate readthedocs/readthedocs.org#10401
 build:
   os: ubuntu-lts-latest