diff --git a/readthedocs.yml b/readthedocs.yml
index 909a960..9e59c7a 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -5,4 +5,4 @@ build:
     tools:
       python: "mambaforge-22.9"
 conda:
-    file: environment.yml
+    environment: environment.yml