diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index dab43e4..e962b25 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -9,6 +9,4 @@ python:
   install:
     - requirements: docs/requirements.txt
 
-formats:
-  - pdf
-  - epub
+formats: all