diff --git a/ui/package.json b/ui/package.json
index 3fac4031abe..6e3377b72b6 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -59,7 +59,7 @@
     "ember-auto-import": "^1.6.0",
     "ember-can": "^2.0.0",
     "ember-classic-decorator": "^1.0.8",
-    "ember-cli": "~3.20.2",
+    "ember-cli": "~3.21.1",
     "ember-cli-babel": "^7.21.0",
     "ember-cli-clipboard": "^0.13.0",
     "ember-cli-dependency-checker": "^3.2.0",