1 files changed, 3 insertions, 0 deletions
diff --git a/.readthedocs.yml b/.readthedocs.yml
index 2a0640782..3f66351ce 100644
--- a/.readthedocs.yml
+++ b/.readthedocs.yml
@@ -12,6 +12,9 @@ submodules:
     include:
         - extmod/ulab
 
+formats:
+  - pdf
+
 python:
     version: 3
     install: