diff --git a/readthedocs.yml b/readthedocs.yml
index 1f2c1c214dfd5f8c983a4e0257fad035f29bbb57..cb5e3785cf127d6fa033709135679bab016e01be 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -1,3 +1,9 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "mambaforge-4.10"
+
 conda:
-    file: docs/environment.yml
-    formats: []
+    environment: docs/environment.yml