diff --git a/readthedocs.yml b/readthedocs.yml
index f8afd40..b15a595 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -22,4 +22,9 @@ python:
       path: .
 
 conda:
-  environment: environment.yml
\ No newline at end of file
+  environment: environment.yml
+
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "3.7"
\ No newline at end of file