diff --git a/mkdocs.yml b/mkdocs.yml
index 0671255c0b6..9850eef1c2a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -106,7 +106,7 @@ plugins:
 
   - with-pdf:
       copyright: 2023 Vesoft Inc.
-      cover_subtitle: master
+      cover_subtitle: v3.5.0
       author: Min Wu, Yao Zhou, Cooper Liang, Abby Huang
       cover: true
       back_cover: true