diff --git a/.readthedocs.yml b/.readthedocs.yaml
similarity index 85%
rename from .readthedocs.yml
rename to .readthedocs.yaml
index ffb9eade4..0bec268bc 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yaml
@@ -5,12 +5,16 @@
 # Required
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "3.8"
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: docs/conf.py
 
 python:
-  version: 3.8
   install:
     - method: pip
       path: .