diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 07909054..1e096e6a 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ build:
 
 python:
   install:
-    requirements: docs/requirements.txt
+    - requirements: docs/requirements.txt
 
 sphinx:
   configuration: docs/conf.py