diff --git a/docs/.readthedocs.yaml b/docs/.readthedocs.yaml
index b631017e1..90b73f332 100644
--- a/docs/.readthedocs.yaml
+++ b/docs/.readthedocs.yaml
@@ -14,3 +14,5 @@ python:
 
 formats:
   - pdf
+  - epub
+  - htmlzip