diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 5ec523b..8acfb07 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -7,7 +7,7 @@ version: 2
 build:
   os: ubuntu-24.04
   tools:
-    python: "3.12"
+    python: "3.9"
   commands:
     - snap install root-framework --classic