diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index ba7d7f0..b303832 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -20,4 +20,7 @@ sphinx:
 # See https://docs.readthedocs.io/en/stable/guides/reproducible-builds.html
 python:
   install:
-  - requirements: docs/requirements.txt
+    - requirements: docs/requirements.txt
+
+submodules:
+  include: all