diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index c5587fb24..58a5af58c 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -4,6 +4,10 @@
 # Required
 version: 2
 
+# Build pdf
+formats:
+  -pdf
+  
 # Set the version of Python and other tools you might need
 build:
   os: ubuntu-22.04