diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c0eccc6..0d2f982 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -17,7 +17,9 @@ sphinx:
 
 # If using Sphinx, optionally build your docs in additional formats such as PDF
 formats:
-  - all
+  - htmlzip
+  - pdf
+  - epub
 
 # Optionally declare the Python requirements required to build your docs
 python: