diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 1a9880f..38cb31b 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -8,7 +8,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.7"
+    python: "3.9"
     # You can also specify other tool versions:
     # nodejs: "20"
     # rust: "1.70"