diff --git a/FrontEnd/StyleSheets/Chatbook.nb b/FrontEnd/StyleSheets/Chatbook.nb
index 2997b773..bf6140d0 100644
--- a/FrontEnd/StyleSheets/Chatbook.nb
+++ b/FrontEnd/StyleSheets/Chatbook.nb
@@ -1143,7 +1143,7 @@ Notebook[
   ],
   Cell[
    StyleData["ChatStyleSheetInformation"],
-   TaggingRules -> <|"StyleSheetVersion" -> "1.2.4.3907141550"|>
+   TaggingRules -> <|"StyleSheetVersion" -> "1.3.0.3907219780"|>
   ],
   Cell[
    StyleData["Text"],