diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 6c8cb8d..2523846 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,5 +3,5 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "3.8"
+    python: "3.9"