diff --git a/.readthedocs.yml b/.readthedocs.yml
index d0b8a18c..e5d80a16 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -2,7 +2,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: mambaforge-4.10
+    python: mambaforge-22.9
 sphinx:
   configuration: docs/conf.py
 python: