diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index 4c887f2..8b42056 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -1,5 +1,10 @@
 version: 2
 
+build:
+  os: "ubuntu-22.04"
+  tools:
+    python: "mambaforge-22.9"
+
 sphinx:
   configuration: docs/conf.py