diff --git a/package.json b/package.json
index da26f62ceee..e565e4866f2 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": "~4.0.1",
     "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..13cf585dcb5 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": "~4.0.1",
     "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..c503b4285f9 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": "~4.0.1",
     "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..c42fb7563c1 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": "~4.0.1",
     "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..6341f8b1ead 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": "~4.0.1",
     "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..1417400a0b8 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": "~4.0.1",
     "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..821a3c7bd61 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": "~4.0.1",
     "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..fc16c9871ff 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": "~4.0.1",
     "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..f14b2867e2c 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": "~4.0.1",
     "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..4a3ad3aeb1b 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": "~4.0.1",
     "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..bc431f18328 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": "~4.0.1",
     "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..c5a2b7ec4b0 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": "~4.0.1",
     "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..e793c0260d2 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": "~4.0.1",
     "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..576d22804b7 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": "~4.0.1",
     "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..822f582dae1 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": "~4.0.1",
     "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..1bd1e913483 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": "~4.0.1",
     "loader.js": "^4.7.0",
     "qunit": "^2.15.0",
     "qunit-dom": "^1.6.0",
diff --git a/yarn.lock b/yarn.lock
index 2d85ec015f5..0e2e5f2f43d 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -693,13 +693,6 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.12.13"
 
-"@babel/plugin-transform-object-assign@^7.8.3":
-  version "7.12.13"
-  resolved "https://registry.npmjs.org/@babel/plugin-transform-object-assign/-/plugin-transform-object-assign-7.12.13.tgz#d9b9200a69e03403a813e44a933ad9f4bddfd050"
-  integrity sha512-4QxDMc0lAOkIBSfCrnSGbAJ+4epDBF2XXwcLXuBcG1xl9u7LrktNVD4+LwhL47XuKVPQ7R25e/WdcV+h97HyZA==
-  dependencies:
-    "@babel/helper-plugin-utils" "^7.12.13"
-
 "@babel/plugin-transform-object-super@^7.12.13":
   version "7.12.13"
   resolved "https://registry.npmjs.org/@babel/plugin-transform-object-super/-/plugin-transform-object-super-7.12.13.tgz#b4416a2d63b8f7be314f3d349bd55a9c1b5171f7"
@@ -1280,10 +1273,10 @@
   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@0.83.1":
+  version "0.83.1"
+  resolved "https://registry.npmjs.org/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.83.1.tgz#5da67e3d84199352bbf0c5bc3f1ce71bf2b2ddfc"
+  integrity sha512-Cz0e/SrOo1gSNA0PXZRYI1WGmlQSAQCpiERBlXjjpwoLgiqx2kvsjfFiCUC/CfpsO6WN6wuPMeTFGJuhSSeL5A==
   dependencies:
     babel-plugin-debug-macros "^0.3.4"
 
@@ -4634,10 +4627,10 @@ broccoli-funnel@^2.0.0, broccoli-funnel@^2.0.1, broccoli-funnel@^2.0.2:
     symlink-or-copy "^1.0.0"
     walk-sync "^0.3.1"
 
-broccoli-funnel@^3.0.3:
-  version "3.0.6"
-  resolved "https://registry.npmjs.org/broccoli-funnel/-/broccoli-funnel-3.0.6.tgz#2216a802fc2f6d6875a66531cfbc07e4e4c22d6c"
-  integrity sha512-pJK+pO+2J6BYPiPNNAe16KiCK8SIVUHzjcDbtYMiAwGDhGrNXO91dm1Z/GOtpjqa3xmfm/IuQwMf01tW+FO2Ow==
+broccoli-funnel@^3.0.3, broccoli-funnel@^3.0.8:
+  version "3.0.8"
+  resolved "https://registry.npmjs.org/broccoli-funnel/-/broccoli-funnel-3.0.8.tgz#f5b62e2763c3918026a15a3c833edc889971279b"
+  integrity sha512-ng4eIhPYiXqMw6SyGoxPHR3YAwEd2lr9FgBI1CyTbspl4txZovOsmzFkMkGAlu88xyvYXJqHiM2crfLa65T1BQ==
   dependencies:
     array-equal "^1.0.0"
     broccoli-plugin "^4.0.7"
@@ -6714,25 +6707,24 @@ ember-auto-import@^1.10.1, ember-auto-import@^1.2.15:
     walk-sync "^0.3.3"
     webpack "^4.43.0"
 
-ember-auto-import@^2.0.0:
-  version "2.0.1"
-  resolved "https://registry.npmjs.org/ember-auto-import/-/ember-auto-import-2.0.1.tgz#3c993f2cee3a93758029bbc903302a951bd9e3f8"
-  integrity sha512-quJbesruo7Z1tZ8faKSuSBMcNHgQYwVsod3mw3qZY2rHeQz/D1gmOm61HBvPBo4kM43FpKIL+lrzkQS8WIihZQ==
+ember-auto-import@^2.0.0, ember-auto-import@^2.2.0:
+  version "2.2.4"
+  resolved "https://registry.npmjs.org/ember-auto-import/-/ember-auto-import-2.2.4.tgz#68c08cb0b7533293024c97387fc449b00561185a"
+  integrity sha512-iXHH+bSMP/uWvJmIhjt+PZz4ymqOLccIxZUouVcUFLKA5EAWE7gamlA684m0pIbSE/V9zKpOul4OfIgKXFprBg==
   dependencies:
     "@babel/core" "^7.1.6"
     "@babel/plugin-proposal-class-properties" "^7.13.0"
     "@babel/plugin-proposal-decorators" "^7.13.5"
     "@babel/preset-env" "^7.10.2"
     "@babel/traverse" "^7.1.6"
-    "@babel/types" "^7.1.6"
     "@embroider/shared-internals" "^0.40.0"
     babel-loader "^8.0.6"
     babel-plugin-ember-modules-api-polyfill "^3.5.0"
     babel-plugin-htmlbars-inline-precompile "^5.2.1"
     babel-plugin-syntax-dynamic-import "^6.18.0"
     broccoli-debug "^0.6.4"
+    broccoli-funnel "^3.0.8"
     broccoli-merge-trees "^4.2.0"
-    broccoli-node-api "^1.7.0"
     broccoli-plugin "^4.0.0"
     broccoli-source "^3.0.0"
     css-loader "^5.2.0"
@@ -6750,7 +6742,6 @@ ember-auto-import@^2.0.0:
     rimraf "^2.6.2"
     semver "^7.3.4"
     style-loader "^2.0.0"
-    symlink-or-copy "^1.2.0"
     typescript-memoize "^1.0.0-alpha.3"
     walk-sync "^0.3.3"
 
@@ -7413,23 +7404,24 @@ 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@~4.0.1:
+  version "4.0.1"
+  resolved "https://registry.npmjs.org/ember-source/-/ember-source-4.0.1.tgz#c36acab19bfe3d2e4b560465ccf16018865d8f91"
+  integrity sha512-5k4ZQvpa7Li7V7P2QnIiOo/UiQkaWwvaTeSI6dlLAswMhIq6XFFZQ+M+2NHrTJynhc2u2BcIxcYpdMb+g8y1Aw==
   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"
-    babel-plugin-debug-macros "^0.3.3"
+    "@glimmer/vm-babel-plugins" "0.83.1"
+    babel-plugin-debug-macros "^0.3.4"
     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"
+    ember-auto-import "^2.2.0"
     ember-cli-babel "^7.23.0"
     ember-cli-get-component-path-option "^1.0.0"
     ember-cli-is-package-missing "^1.0.0"
@@ -7439,7 +7431,6 @@ ember-source@~3.27.1:
     ember-cli-version-checker "^5.1.1"
     ember-router-generator "^2.0.0"
     inflection "^1.12.0"
-    jquery "^3.5.1"
     resolve "^1.17.0"
     semver "^7.3.4"
     silent-error "^1.1.1"
@@ -10298,11 +10289,6 @@ jest-worker@^26.6.2:
     merge-stream "^2.0.0"
     supports-color "^7.0.0"
 
-jquery@^3.5.1:
-  version "3.6.0"
-  resolved "https://registry.npmjs.org/jquery/-/jquery-3.6.0.tgz#c72a09f15c1bdce142f49dbf1170bdf8adac2470"
-  integrity sha512-JVzAR/AjBvVt2BmYhxRCSYysDsPcssdmTFnzyLEts9qNwmjmu4JTAMYubEfwVOSwpQ1I1sKKFcxhZCI2buerfw==
-
 js-reporters@2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/js-reporters/-/js-reporters-2.0.0.tgz#62ad6a512f1740d3ab4686b0059dd9f57cc0708b"