diff --git a/readthedocs.yml b/readthedocs.yml
index 0f15f58f..747c0dfe 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -4,7 +4,7 @@ version: 2
 build:
   os: "ubuntu-22.04"
   tools:
-    python: "mambaforge-22.9"
+    python: "mambaforge-23.11"
 
 conda:
   environment: conda.yml