diff --git a/ui/package.json b/ui/package.json
index 0db855b71..dacf614b1 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -88,6 +88,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-modifier": "^2.1.1",
     "ember-moment": "^7.8.1",
+    "ember-named-blocks-polyfill": "^0.2.4",
     "ember-overridable-computed": "^1.0.0",
     "ember-page-title": "^6.0.3",
     "ember-power-select": "^3.0.4",
diff --git a/ui/yarn.lock b/ui/yarn.lock
index 963216423..4d16943a0 100644
--- a/ui/yarn.lock
+++ b/ui/yarn.lock
@@ -7398,6 +7398,14 @@ ember-moment@^7.8.1:
     ember-getowner-polyfill "^2.2.0"
     ember-macro-helpers "^2.1.0"
 
+ember-named-blocks-polyfill@^0.2.4:
+  version "0.2.4"
+  resolved "https://registry.yarnpkg.com/ember-named-blocks-polyfill/-/ember-named-blocks-polyfill-0.2.4.tgz#f5f30711ee89244927b55aae7fa9630edaadc974"
+  integrity sha512-PsohC7ejjS7V++6i/JSy0pl1hXLV3IS3Qs+O7SrjIPYcg1UEmUwqgPiDmXqNgy0p2dc5TK5bIJTtX8wofCI63Q==
+  dependencies:
+    ember-cli-babel "^7.19.0"
+    ember-cli-version-checker "^5.1.1"
+
 ember-native-dom-helpers@^0.7.0:
   version "0.7.0"
   resolved "https://registry.yarnpkg.com/ember-native-dom-helpers/-/ember-native-dom-helpers-0.7.0.tgz#98a87c11a391cec5c12382a4857e59ea2fb4b00a"