diff --git a/.readthedocs.yml b/.readthedocs.yml
index fd9218c..91be621 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,11 +1,10 @@
 version: 2
 
 build:
-  os: ubuntu-20.04 
   image: latest
 
 python:
-  version: 3.10
+  version: 3.7
   install:
     - method: pip
       path: .