diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index b092ec7..aa15c7c 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,8 +3,12 @@ version: 2
 sphinx:
   configuration: docs/conf.py
 
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
 python:
-  version: "3.11"
   install:
   - method: pip
     path: .