diff --git a/.readthedocs.yml b/.readthedocs.yml
index df9d75cf6..a6cb80d29 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -12,4 +12,4 @@ python:
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.8"