diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index e157fb9c..5b30e75a 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -3,7 +3,7 @@ version: 2
 build:
   os: ubuntu-20.04
   tools:
-    python: "3.9"
+    python: "3.11"
 
 sphinx:
    configuration: docs/conf.py