diff --git a/.readthedocs.yml b/.readthedocs.yml
index a105ddb2b2..90fedfd292 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,3 +1,4 @@
 version: 2
 conda:
-  environment: doc/environment.yml
\ No newline at end of file
+  environment: doc/environment.yml
+formats: all