diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index f211c1c..106fde7 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,5 +17,5 @@ sphinx:
 
 python:
   install:
-    requirements:  rtd-requirements.txt
+    - requirements:  rtd-requirements.txt