diff --git a/ui/package.json b/ui/package.json
index fad297d53ec..e8466f7f36a 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -82,7 +82,7 @@
     "ember-cli-clipboard": "^1.0.0",
     "ember-cli-dependency-checker": "^3.2.0",
     "ember-cli-deprecation-workflow": "^2.1.0",
-    "ember-cli-flash": "^3.0.0",
+    "ember-cli-flash": "^6.0.0",
     "ember-cli-funnel": "^0.6.1",
     "ember-cli-htmlbars": "^5.7.2",
     "ember-cli-inject-live-reload": "^2.1.0",