diff --git a/.gitignore b/.gitignore
index 80cb94003..f8f2ec1c2 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,7 @@ testem.log
 yarn-error.log
 storybook-static
 **/.storybook/*.html
+addons/rose/.watchman-cookie*
 
 # ember-try
 .node_modules.ember-try