diff --git a/.readthedocs.yml b/.readthedocs.yml
index 8bdf2f99..eda0c9a0 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -14,7 +14,8 @@ sphinx:
 #  configuration: mkdocs.yml
 
 # Optionally build your docs in additional formats such as PDF and ePub
-formats: all
+formats: 
+  -htmlzip
 
 # Optionally set the version of Python and requirements required to build your docs
 python: