diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 451016d8f0221678249fc7b6d745d6e3569c2891..080e3a84e35b64d9508e8235b9487cc17776940d 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -30,6 +30,6 @@ sphinx:
 # Optional but recommended, declare the Python requirements required
 # to build your documentation
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
- python:
-    install:
+python:
+  install:
     - requirements: source/requirements.txt