diff --git a/.readthedocs.yml b/.readthedocs.yaml
similarity index 72%
rename from .readthedocs.yml
rename to .readthedocs.yaml
index be93691..ea08c7d 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yaml
@@ -1,10 +1,14 @@
 version: 2
 
+build:
+  os: ubuntu-20.04
+  tools:
+    python: "3.10"
+
 sphinx:
   configuration: doc/conf.py
 
 python:
-  version: 3.8
   install:
     - method: pip
       path: .