diff --git a/package-lock.json b/package-lock.json
index 6cc67d1e..f2da63fc 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -64,7 +64,7 @@
         "ember-page-title": "^6.2.2",
         "ember-qunit": "^5.1.4",
         "ember-resolver": "^8.0.2",
-        "ember-source": "~3.26.1",
+        "ember-source": "~3.28.0",
         "ember-source-channel-url": "^3.0.0",
         "ember-template-lint": "^3.5.1",
         "ember-try": "^1.4.0",
@@ -2722,9 +2722,9 @@
       }
     },
     "node_modules/@glimmer/vm-babel-plugins": {
-      "version": "0.77.5",
-      "resolved": "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.77.5.tgz",
-      "integrity": "sha512-jTBM7fJMrIEy4/bCeI8e7ypR+AuWYzLA+KORCGbnTJtL/NYg4G8qwhQAZBtg1d3KmoqyqaCsyqE6f4/tzJO4eQ==",
+      "version": "0.80.0",
+      "resolved": "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.80.0.tgz",
+      "integrity": "sha512-ZW6+L+FzjDZngGj87zn3MRRA/MrchC7Con33mCcI36v8u48maheB351uhQe+fBVU300IfyzNMvAdwdVKS5VIFw==",
       "dev": true,
       "dependencies": {
         "babel-plugin-debug-macros": "^0.3.4"
@@ -13959,20 +13959,21 @@
       }
     },
     "node_modules/ember-source": {
-      "version": "3.26.1",
-      "resolved": "https://registry.npmjs.org/ember-source/-/ember-source-3.26.1.tgz",
-      "integrity": "sha512-5/NATBo5h9m1N52ITVksmjtGlYhGHLl4lDErAWv5/DC9zYe9ZR93NtymR6PEqrRilXc2x0KWd3NlOsWUoJRUOw==",
+      "version": "3.28.0",
+      "resolved": "https://registry.npmjs.org/ember-source/-/ember-source-3.28.0.tgz",
+      "integrity": "sha512-7cjzZlJE1Fun3+ygM5f7ubJviyHUU1LGHWyodQfbua6wkvieU2GYV0QNTUJQHe0JEAUr+Jm7x4/FuNIYB/dvpA==",
       "dev": true,
       "dependencies": {
         "@babel/helper-module-imports": "^7.8.3",
         "@babel/plugin-transform-block-scoping": "^7.8.3",
         "@babel/plugin-transform-object-assign": "^7.8.3",
         "@ember/edition-utils": "^1.2.0",
-        "@glimmer/vm-babel-plugins": "0.77.5",
+        "@glimmer/vm-babel-plugins": "0.80.0",
         "babel-plugin-debug-macros": "^0.3.3",
         "babel-plugin-filter-imports": "^4.0.0",
         "broccoli-concat": "^4.2.4",
         "broccoli-debug": "^0.6.4",
+        "broccoli-file-creator": "^2.1.1",
         "broccoli-funnel": "^2.0.2",
         "broccoli-merge-trees": "^4.2.0",
         "chalk": "^4.0.0",
@@ -33306,9 +33307,9 @@
       }
     },
     "@glimmer/vm-babel-plugins": {
-      "version": "0.77.5",
-      "resolved": "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.77.5.tgz",
-      "integrity": "sha512-jTBM7fJMrIEy4/bCeI8e7ypR+AuWYzLA+KORCGbnTJtL/NYg4G8qwhQAZBtg1d3KmoqyqaCsyqE6f4/tzJO4eQ==",
+      "version": "0.80.0",
+      "resolved": "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.80.0.tgz",
+      "integrity": "sha512-ZW6+L+FzjDZngGj87zn3MRRA/MrchC7Con33mCcI36v8u48maheB351uhQe+fBVU300IfyzNMvAdwdVKS5VIFw==",
       "dev": true,
       "requires": {
         "babel-plugin-debug-macros": "^0.3.4"
@@ -42856,20 +42857,21 @@
       }
     },
     "ember-source": {
-      "version": "3.26.1",
-      "resolved": "https://registry.npmjs.org/ember-source/-/ember-source-3.26.1.tgz",
-      "integrity": "sha512-5/NATBo5h9m1N52ITVksmjtGlYhGHLl4lDErAWv5/DC9zYe9ZR93NtymR6PEqrRilXc2x0KWd3NlOsWUoJRUOw==",
+      "version": "3.28.0",
+      "resolved": "https://registry.npmjs.org/ember-source/-/ember-source-3.28.0.tgz",
+      "integrity": "sha512-7cjzZlJE1Fun3+ygM5f7ubJviyHUU1LGHWyodQfbua6wkvieU2GYV0QNTUJQHe0JEAUr+Jm7x4/FuNIYB/dvpA==",
       "dev": true,
       "requires": {
         "@babel/helper-module-imports": "^7.8.3",
         "@babel/plugin-transform-block-scoping": "^7.8.3",
         "@babel/plugin-transform-object-assign": "^7.8.3",
         "@ember/edition-utils": "^1.2.0",
-        "@glimmer/vm-babel-plugins": "0.77.5",
+        "@glimmer/vm-babel-plugins": "0.80.0",
         "babel-plugin-debug-macros": "^0.3.3",
         "babel-plugin-filter-imports": "^4.0.0",
         "broccoli-concat": "^4.2.4",
         "broccoli-debug": "^0.6.4",
+        "broccoli-file-creator": "^2.1.1",
         "broccoli-funnel": "^2.0.2",
         "broccoli-merge-trees": "^4.2.0",
         "chalk": "^4.0.0",
diff --git a/package.json b/package.json
index d4d9136d..d961b647 100644
--- a/package.json
+++ b/package.json
@@ -84,7 +84,7 @@
     "ember-page-title": "^6.2.2",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.2",
-    "ember-source": "~3.26.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-template-lint": "^3.5.1",
     "ember-try": "^1.4.0",