diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 79c951d..704e144 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -2,13 +2,11 @@
 version: 2
 
 build:
-  os: 'ubuntu-20.04'
+  os: 'ubuntu-22.04'
   tools:
     python: '3.9'
-
-python:
-  install:
-    - requirements: requirements.txt
+  apt_packages:
+    - mkdocs
 
 mkdocs:
   configuration: mkdocs.yml