diff --git a/package.json b/package.json
index 7fb6d7f12..41747202f 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "ember-load-initializers": "^2.1.2",
     "ember-maybe-import-regenerator-for-testing": "^1.0.0",
     "ember-resolver": "^8.0.2",
-    "ember-source": "~3.24.1",
+    "ember-source": "~3.28.4",
     "ember-source-channel-url": "^3.0.0",
     "ember-try": "^1.4.0",
     "eslint": "^7.32.0",
diff --git a/tests/integration/setup-rendering-context-test.js b/tests/integration/setup-rendering-context-test.js
index cb67c5b92..26feec69a 100644
--- a/tests/integration/setup-rendering-context-test.js
+++ b/tests/integration/setup-rendering-context-test.js
@@ -1,6 +1,7 @@
 import Ember from 'ember';
 import { module, test } from 'qunit';
 import Component from '@ember/component';
+import { helper } from '@ember/component/helper';
 import {
   setupContext,
   setupRenderingContext,
@@ -13,6 +14,7 @@ import {
 import hasEmberVersion from '@ember/test-helpers/has-ember-version';
 import { setResolverRegistry } from '../helpers/resolver';
 import { hbs } from 'ember-cli-htmlbars';
+import { precompileTemplate } from '@ember/template-compilation';
 import { defer } from 'rsvp';
 
 const PromiseWrapperTemplate = hbs`
@@ -144,4 +146,20 @@ module('setupRenderingContext "real world"', function (hooks) {
       'the rootElement has the correct content after clicking'
     );
   });
+
+  module('lexical scope access', function() {
+    if (hasEmberVersion(3, 28)) {
+      test('can render components passed as locals', async function(assert) {
+        let add = helper(function([first, second]) {
+          return first + second;
+        });
+
+        await render(precompileTemplate('{{add 1 3}}', {
+          scope: { add }
+        }));
+
+        assert.equal(this.element.textContent, '4');
+      });
+    }
+  });
 });
diff --git a/yarn.lock b/yarn.lock
index fd94758e5..1adcf60a6 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1078,6 +1078,13 @@
     minimatch "^3.0.4"
     strip-json-comments "^3.1.1"
 
+"@glimmer/vm-babel-plugins@0.80.3":
+  version "0.80.3"
+  resolved "https://registry.yarnpkg.com/@glimmer/vm-babel-plugins/-/vm-babel-plugins-0.80.3.tgz#434b62172318cac43830d3ac29818cf2c5f111c1"
+  integrity sha512-9ej6xlm5MzHBJ5am2l0dbbn8Z0wJoYoMpM8FcrGMlUP6SPMLWxvxpMsApgQo8u6dvZRCjR3/bw3fdf7GOy0AFw==
+  dependencies:
+    babel-plugin-debug-macros "^0.3.4"
+
 "@humanwhocodes/config-array@^0.5.0":
   version "0.5.0"
   resolved "https://registry.yarnpkg.com/@humanwhocodes/config-array/-/config-array-0.5.0.tgz#1407967d4c6eecd7388f83acf1eaf4d0c6e58ef9"
@@ -3357,6 +3364,14 @@ broccoli-debug@^0.6.4, broccoli-debug@^0.6.5:
     symlink-or-copy "^1.1.8"
     tree-sync "^1.2.2"
 
+broccoli-file-creator@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/broccoli-file-creator/-/broccoli-file-creator-2.1.1.tgz#7351dd2496c762cfce7736ce9b49e3fce0c7b7db"
+  integrity sha512-YpjOExWr92C5vhnK0kmD81kM7U09kdIRZk9w4ZDCDHuHXW+VE/x6AGEOQQW3loBQQ6Jk+k+TSm8dESy4uZsnjw==
+  dependencies:
+    broccoli-plugin "^1.1.0"
+    mkdirp "^0.5.1"
+
 broccoli-funnel-reducer@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/broccoli-funnel-reducer/-/broccoli-funnel-reducer-1.0.0.tgz#11365b2a785aec9b17972a36df87eef24c5cc0ea"
@@ -3536,7 +3551,7 @@ broccoli-persistent-filter@^3.1.2:
     symlink-or-copy "^1.0.1"
     sync-disk-cache "^2.0.0"
 
-broccoli-plugin@^1.0.0, broccoli-plugin@^1.2.0, broccoli-plugin@^1.2.1, broccoli-plugin@^1.3.0, broccoli-plugin@^1.3.1:
+broccoli-plugin@^1.0.0, broccoli-plugin@^1.1.0, broccoli-plugin@^1.2.0, broccoli-plugin@^1.2.1, broccoli-plugin@^1.3.0, broccoli-plugin@^1.3.1:
   version "1.3.1"
   resolved "https://registry.yarnpkg.com/broccoli-plugin/-/broccoli-plugin-1.3.1.tgz#a26315732fb99ed2d9fb58f12a1e14e986b4fabd"
   integrity sha512-DW8XASZkmorp+q7J4EeDEZz+LoyKLAd2XZULXyD9l4m9/hAKV3vjHmB1kiUshcWAYMgTP1m2i4NnqCE/23h6AQ==
@@ -5574,19 +5589,21 @@ ember-source-channel-url@^3.0.0:
   dependencies:
     node-fetch "^2.6.0"
 
-ember-source@~3.24.1:
-  version "3.24.5"
-  resolved "https://registry.yarnpkg.com/ember-source/-/ember-source-3.24.5.tgz#7e1da13286f7d1ac63b3d3a547aaeb40bc18a696"
-  integrity sha512-j39L7C+q9o9qkwrwNtRN1AVGzE8TlxHm0c6xMzFZFaWMyQt3E7ov72fz3oIn17h8H7zZ1i7dl471Rbqx1GZsLw==
+ember-source@~3.28.4:
+  version "3.28.4"
+  resolved "https://registry.yarnpkg.com/ember-source/-/ember-source-3.28.4.tgz#b6ac2b1e369ef533d05164c65078b4ceafdb6390"
+  integrity sha512-s7kVy0E08erAHUTI/8SZZvXt3an/xb2g5K+m4Rybvo8Tr/noMk3lIdtyQkSvmgMZ/BbvoW8spS630sO0/JN4Eg==
   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"
-    babel-plugin-debug-macros "^0.3.3"
+    "@glimmer/vm-babel-plugins" "0.80.3"
+    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"
@@ -5599,9 +5616,9 @@ ember-source@~3.24.1:
     ember-cli-version-checker "^5.1.1"
     ember-router-generator "^2.0.0"
     inflection "^1.12.0"
-    jquery "^3.5.0"
+    jquery "^3.5.1"
     resolve "^1.17.0"
-    semver "^6.1.1"
+    semver "^7.3.4"
     silent-error "^1.1.1"
 
 ember-try-config@^3.0.0:
@@ -8217,7 +8234,7 @@ jest-worker@^27.0.6:
     merge-stream "^2.0.0"
     supports-color "^8.0.0"
 
-jquery@^3.5.0:
+jquery@^3.5.1:
   version "3.6.0"
   resolved "https://registry.yarnpkg.com/jquery/-/jquery-3.6.0.tgz#c72a09f15c1bdce142f49dbf1170bdf8adac2470"
   integrity sha512-JVzAR/AjBvVt2BmYhxRCSYysDsPcssdmTFnzyLEts9qNwmjmu4JTAMYubEfwVOSwpQ1I1sKKFcxhZCI2buerfw==