diff --git a/manual/extra_setup/setup_seadoc.md b/manual/extra_setup/setup_seadoc.md
index edaa81f76..4addff36a 100644
--- a/manual/extra_setup/setup_seadoc.md
+++ b/manual/extra_setup/setup_seadoc.md
@@ -17,3 +17,6 @@ SeaDoc excels at:
 * Building internal Wikis
 
 ## Setup SeaDoc
+
+> Seafile version 11.0 or later is required to work with SeaDoc.
+