diff --git a/package.json b/package.json
index da26f62ceee..8fe5392ca9f 100644
--- a/package.json
+++ b/package.json
@@ -100,7 +100,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "eslint": "^7.23.0",
diff --git a/packages/-ember-data/package.json b/packages/-ember-data/package.json
index db2976dd446..2ed2dc0fbbd 100644
--- a/packages/-ember-data/package.json
+++ b/packages/-ember-data/package.json
@@ -76,7 +76,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "json-typescript": "^1.1.0",
diff --git a/packages/adapter/package.json b/packages/adapter/package.json
index d74adf9a4e7..7676f47102d 100644
--- a/packages/adapter/package.json
+++ b/packages/adapter/package.json
@@ -45,7 +45,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/debug/package.json b/packages/debug/package.json
index d090e8f7f33..d9c4f0907b5 100644
--- a/packages/debug/package.json
+++ b/packages/debug/package.json
@@ -43,7 +43,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/model/package.json b/packages/model/package.json
index 7b44038f4ae..a7f94dbd621 100644
--- a/packages/model/package.json
+++ b/packages/model/package.json
@@ -50,7 +50,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/record-data/package.json b/packages/record-data/package.json
index 293efea0d83..d87fd85ac10 100644
--- a/packages/record-data/package.json
+++ b/packages/record-data/package.json
@@ -50,7 +50,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/serializer/package.json b/packages/serializer/package.json
index d755fbc6d77..a2772fdaa0d 100644
--- a/packages/serializer/package.json
+++ b/packages/serializer/package.json
@@ -44,7 +44,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/store/package.json b/packages/store/package.json
index 42ae77d8f65..aff64cd50ef 100644
--- a/packages/store/package.json
+++ b/packages/store/package.json
@@ -45,7 +45,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "loader.js": "^4.7.0",
diff --git a/packages/unpublished-adapter-encapsulation-test-app/package.json b/packages/unpublished-adapter-encapsulation-test-app/package.json
index 125dda3cc80..a67d60454e1 100644
--- a/packages/unpublished-adapter-encapsulation-test-app/package.json
+++ b/packages/unpublished-adapter-encapsulation-test-app/package.json
@@ -43,7 +43,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-debug-encapsulation-test-app/package.json b/packages/unpublished-debug-encapsulation-test-app/package.json
index 07312fb6288..3db2b5af80b 100644
--- a/packages/unpublished-debug-encapsulation-test-app/package.json
+++ b/packages/unpublished-debug-encapsulation-test-app/package.json
@@ -42,7 +42,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-fastboot-test-app/package.json b/packages/unpublished-fastboot-test-app/package.json
index fbc12ecf417..299f5762e23 100644
--- a/packages/unpublished-fastboot-test-app/package.json
+++ b/packages/unpublished-fastboot-test-app/package.json
@@ -52,7 +52,7 @@
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
     "ember-simple-tree": "^0.8.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "ember-try": "^1.4.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
diff --git a/packages/unpublished-model-encapsulation-test-app/package.json b/packages/unpublished-model-encapsulation-test-app/package.json
index 1ed42346737..9fabc19c05f 100644
--- a/packages/unpublished-model-encapsulation-test-app/package.json
+++ b/packages/unpublished-model-encapsulation-test-app/package.json
@@ -43,7 +43,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-record-data-encapsulation-test-app/package.json b/packages/unpublished-record-data-encapsulation-test-app/package.json
index e7f760ab6e2..eef7f0b43c6 100644
--- a/packages/unpublished-record-data-encapsulation-test-app/package.json
+++ b/packages/unpublished-record-data-encapsulation-test-app/package.json
@@ -43,7 +43,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-relationship-performance-test-app/package.json b/packages/unpublished-relationship-performance-test-app/package.json
index 886c074abf4..7e7b247c1f0 100644
--- a/packages/unpublished-relationship-performance-test-app/package.json
+++ b/packages/unpublished-relationship-performance-test-app/package.json
@@ -38,7 +38,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-serializer-encapsulation-test-app/package.json b/packages/unpublished-serializer-encapsulation-test-app/package.json
index e5eb9b0e830..66997f2bbf5 100644
--- a/packages/unpublished-serializer-encapsulation-test-app/package.json
+++ b/packages/unpublished-serializer-encapsulation-test-app/package.json
@@ -42,7 +42,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "eslint": "^7.23.0",
     "eslint-plugin-ember": "^10.3.0",
     "eslint-plugin-node": "^11.1.0",
diff --git a/packages/unpublished-test-infra/package.json b/packages/unpublished-test-infra/package.json
index 563ecff5272..8beed5215a0 100644
--- a/packages/unpublished-test-infra/package.json
+++ b/packages/unpublished-test-infra/package.json
@@ -42,7 +42,7 @@
     "ember-maybe-import-regenerator": "^0.1.6",
     "ember-qunit": "^5.1.4",
     "ember-resolver": "^8.0.0",
-    "ember-source": "~3.27.1",
+    "ember-source": "~3.28.0",
     "loader.js": "^4.7.0",
     "qunit": "^2.15.0",
     "qunit-dom": "^1.6.0",
diff --git a/yarn.lock b/yarn.lock
index 2d85ec015f5..204ecbf53e4 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1280,10 +1280,10 @@
   resolved "https://registry.npmjs.org/@glimmer/validator/-/validator-0.44.0.tgz#03d127097dc9cb23052cdb7fcae59d0a9dca53e1"
   integrity sha512-i01plR0EgFVz69GDrEuFgq1NheIjZcyTy3c7q+w7d096ddPVeVcRzU3LKaqCfovvLJ+6lJx40j45ecycASUUyw==
 
-"@glimmer/vm-babel-plugins@0.79.2":
-  version "0.79.2"
-  resolved "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.79.2.tgz#8fa4af60c5089977690ee501c7b358c90b8d6bc5"
-  integrity sha512-c5XQQwM8iogT1mdE/U2+UuGsiFmhP4d53lgXOAq1DQ2/AMFlAXa5djMVETDUlncvLLlo6S3Iaj/FvpqTxwqn2g==
+"@glimmer/vm-babel-plugins@0.80.0":
+  version "0.80.0"
+  resolved "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.80.0.tgz#e9a6b496501eed367b94c928dc48a954830af3b5"
+  integrity sha512-ZW6+L+FzjDZngGj87zn3MRRA/MrchC7Con33mCcI36v8u48maheB351uhQe+fBVU300IfyzNMvAdwdVKS5VIFw==
   dependencies:
     babel-plugin-debug-macros "^0.3.4"
 
@@ -7413,20 +7413,21 @@ ember-source-channel-url@^3.0.0:
   dependencies:
     node-fetch "^2.6.0"
 
-ember-source@~3.27.1:
-  version "3.27.2"
-  resolved "https://registry.npmjs.org/ember-source/-/ember-source-3.27.2.tgz#3ab37191c2079d7e6e69f9c1c679f4c46f164703"
-  integrity sha512-//w9jiikkm9/WRuSBkyO666vtOsbb6P1mFcQGeiQb/MkbpAT29COIQnf8a7YKEPG/G1dgKox9jUPtPhlnaveig==
+ember-source@~3.28.0:
+  version "3.28.0"
+  resolved "https://registry.npmjs.org/ember-source/-/ember-source-3.28.0.tgz#aee9e712d80d7c39d2cc34b958d6e6e00c5dd40e"
+  integrity sha512-7cjzZlJE1Fun3+ygM5f7ubJviyHUU1LGHWyodQfbua6wkvieU2GYV0QNTUJQHe0JEAUr+Jm7x4/FuNIYB/dvpA==
   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" "0.79.2"
+    "@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"