diff --git a/.github/workflows/make-doc.yml b/.github/workflows/make-doc.yml
index 08ca1df77..5b22ee6f2 100644
--- a/.github/workflows/make-doc.yml
+++ b/.github/workflows/make-doc.yml
@@ -4,6 +4,7 @@ on:
   push:
     branches:
     - mc-1.19.x
+    - mc-1.20.x
 
 jobs:
   make_doc: