diff --git a/samples/C4_Dynamic Diagram Sample - message bus - old format.puml b/samples/C4_Dynamic Diagram Sample - message bus - old format.puml
index 9d9b99f..3268c70 100644
--- a/samples/C4_Dynamic Diagram Sample - message bus - old format.puml	
+++ b/samples/C4_Dynamic Diagram Sample - message bus - old format.puml	
@@ -1,5 +1,5 @@
 @startuml
-!include https://raw.githubusercontent.com/plantuml-stdlib/C4-PlantUML/master/C4_Dynamic.puml
+!include https://raw.githubusercontent.com/kirchsth/C4-PlantUML/extended/C4_Dynamic.puml
 
 LAYOUT_TOP_DOWN()
 LAYOUT_WITH_LEGEND()