diff --git a/readthedocs.yml b/readthedocs.yml
index 389751407e85e73610c2f6c04cbc8da7ff7d9008..0f59927b8cb3e964c3c8c4ac2b98f5a9dfdcace7 100644
--- a/readthedocs.yml
+++ b/readthedocs.yml
@@ -8,6 +8,9 @@
 # Required
 version: 2
 
+# Build all formats
+formats: all
+
 # Build documentation in the docs/ directory with Sphinx
 sphinx:
   configuration: conf.py