diff --git a/.readthedocs.yml b/.readthedocs.yml
index a4f6d73a..4400dfdf 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -5,3 +5,5 @@ mkdocs:
 python:
   install:
     - requirements: docs/requirements.txt
+build:
+  os: ubuntu-22.04