diff --git a/.readthedocs.yml b/.readthedocs.yml
index a49256c..324e567 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -20,3 +20,4 @@ build:
       # Poetry setup still seems to fail on readthedocs.
 sphinx:
   fail_on_warning: false
+  configuration: docs/conf.py