diff --git a/.readthedocs.yml b/.readthedocs.yml
index ce20728..60885ac 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -12,8 +12,12 @@ sphinx:
 formats:
   - pdf
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
 python:
-  version: "3.11"
   install:
     - requirements: docs/requirements.txt
     - {path: ., method: pip}