diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2999f19c..8658f721 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -17,8 +17,10 @@ sphinx:
 formats: all
 
 # Optionally set the version of Python and requirements required to build your docs
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "mambaforge-22.9"
+
 conda:
   environment: environment.yml
-
-build:
-  image: stable
\ No newline at end of file