diff --git a/.readthedocs.yml b/.readthedocs.yml
index 98d9e4425ac..ec3300dd1f2 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -1,5 +1,7 @@
 version: 2
 
+formats: all
+
 build:
   os: ubuntu-22.04
   tools: