diff --git a/.gitignore b/.gitignore
index 16ea43e..072da08 100644
--- a/.gitignore
+++ b/.gitignore
@@ -25,4 +25,5 @@ WorkBench.ControlLibrary.Core
 WorkBench.Remote
 Serein.FlowStartTool
 Serein.CloudWorkbench
-Serein.CollaborationSync
\ No newline at end of file
+Serein.CollaborationSync
+/Workbench/Tool/IEventBus.cs