diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 438e5ce..17791ac 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,10 +4,12 @@ build:
   os: ubuntu-22.04
   tools:
     python: "3.9"
-  sphinx:
-    configuration: docs/conf.py
-  python:
-    install:
-      - requirements: requirements/docs.txt
-      - package: marbles/core
-      - package: marbles/mixins
+
+sphinx:
+  configuration: docs/conf.py
+
+python:
+  install:
+    - requirements: requirements/docs.txt
+    - package: marbles/core
+    - package: marbles/mixins