diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 246f0af..b93dbe4 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,6 +63,7 @@ jobs:
           - ember-lts-4.4
           - ember-lts-4.8
           - ember-lts-4.12
+          - ember-lts-4.12-with-fa5
           - ember-release
           - ember-beta
           - ember-canary
diff --git a/package-lock.json b/package-lock.json
index 016cd3d..971d5f3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -46,6 +46,7 @@
         "ember-cli-inject-live-reload": "^2.1.0",
         "ember-cli-sri": "^2.1.1",
         "ember-cli-terser": "^4.0.2",
+        "ember-compatibility-helpers": "^1.2.6",
         "ember-load-initializers": "^2.1.2",
         "ember-page-title": "^8.0.0",
         "ember-qunit": "^7.0.0",
diff --git a/package.json b/package.json
index f0d9f6b..c3fa4ea 100644
--- a/package.json
+++ b/package.json
@@ -98,6 +98,7 @@
     "ember-cli-inject-live-reload": "^2.1.0",
     "ember-cli-sri": "^2.1.1",
     "ember-cli-terser": "^4.0.2",
+    "ember-compatibility-helpers": "^1.2.6",
     "ember-load-initializers": "^2.1.2",
     "ember-page-title": "^8.0.0",
     "ember-qunit": "^7.0.0",
diff --git a/tests/dummy/config/ember-try.js b/tests/dummy/config/ember-try.js
index a4637f0..180809d 100644
--- a/tests/dummy/config/ember-try.js
+++ b/tests/dummy/config/ember-try.js
@@ -68,6 +68,17 @@ module.exports = async function () {
           },
         },
       },
+      {
+        name: 'ember-lts-4.12-with-fa5',
+        npm: {
+          devDependencies: {
+            'ember-source': '~4.12.0',
+            '@fortawesome/free-brands-svg-icons': '^5.15.4',
+            '@fortawesome/free-regular-svg-icons': '^5.15.4',
+            '@fortawesome/free-solid-svg-icons': '^5.15.4',
+          },
+        },
+      },
       {
         name: 'ember-release',
         npm: {
diff --git a/tests/integration/components/fa-icon-test.js b/tests/integration/components/fa-icon-test.js
index feb5548..c6bd085 100644
--- a/tests/integration/components/fa-icon-test.js
+++ b/tests/integration/components/fa-icon-test.js
@@ -3,6 +3,7 @@ import { setupRenderingTest } from 'ember-qunit';
 import { render, find } from '@ember/test-helpers';
 import hbs from 'htmlbars-inline-precompile';
 import { htmlSafe } from '@ember/template';
+import { gte } from 'ember-compatibility-helpers';
 
 const faCoffee = {
   prefix: 'fas',
@@ -203,16 +204,21 @@ module('Integration | Component | fa icon', function (hooks) {
   test('it renders trash-alt (alias) ', async function (assert) {
     await render(hbs`<FaIcon @icon="trash-alt" />`);
 
+    let icon = 'trash-can';
+    let path =
+      'M135.2 17.7C140.6 6.8 151.7 0 163.8 0H284.2c12.1 0 23.2 6.8 28.6 17.7L320 32h96c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 96 0 81.7 0 64S14.3 32 32 32h96l7.2-14.3zM32 128H416V448c0 35.3-28.7 64-64 64H96c-35.3 0-64-28.7-64-64V128zm96 64c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16zm96 0c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16zm96 0c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16z';
+
+    if (!gte('@fortawesome/free-brands-svg-icons', '6.0.0')) {
+      icon = 'trash-alt';
+      path =
+        'M32 464a48 48 0 0 0 48 48h288a48 48 0 0 0 48-48V128H32zm272-256a16 16 0 0 1 32 0v224a16 16 0 0 1-32 0zm-96 0a16 16 0 0 1 32 0v224a16 16 0 0 1-32 0zm-96 0a16 16 0 0 1 32 0v224a16 16 0 0 1-32 0zM432 32H312l-9.4-18.7A24 24 0 0 0 281.1 0H166.8a23.72 23.72 0 0 0-21.4 13.3L136 32H16A16 16 0 0 0 0 48v32a16 16 0 0 0 16 16h416a16 16 0 0 0 16-16V48a16 16 0 0 0-16-16z';
+    }
+
     assert.dom('*').hasText('');
-    assert.dom('svg').hasAttribute('data-icon', 'trash-can');
+    assert.dom('svg').hasAttribute('data-icon', icon);
     assert.ok(
-      find('svg').getAttribute('class').split(/\s+/).includes('fa-trash-can'),
+      find('svg').getAttribute('class').split(/\s+/).includes(`fa-${icon}`),
     );
-    assert
-      .dom('svg path')
-      .hasAttribute(
-        'd',
-        'M135.2 17.7C140.6 6.8 151.7 0 163.8 0H284.2c12.1 0 23.2 6.8 28.6 17.7L320 32h96c17.7 0 32 14.3 32 32s-14.3 32-32 32H32C14.3 96 0 81.7 0 64S14.3 32 32 32h96l7.2-14.3zM32 128H416V448c0 35.3-28.7 64-64 64H96c-35.3 0-64-28.7-64-64V128zm96 64c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16zm96 0c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16zm96 0c-8.8 0-16 7.2-16 16V432c0 8.8 7.2 16 16 16s16-7.2 16-16V208c0-8.8-7.2-16-16-16z',
-      );
+    assert.dom('svg path').hasAttribute('d', path);
   });
 });
diff --git a/vendor/broccoli-fontawesome-pack.js b/vendor/broccoli-fontawesome-pack.js
index f9d7a27..8a35ba3 100644
--- a/vendor/broccoli-fontawesome-pack.js
+++ b/vendor/broccoli-fontawesome-pack.js
@@ -59,10 +59,17 @@ class FontAwesomePack extends Plugin {
     }
 
     const packageContents = () => {
+      const pathToModule = require.resolve(`@fortawesome/${this.options.pack}`)
+      const moduleDir = path.dirname(pathToModule);
+      const files = fs.readdirSync(moduleDir);
+      let entryFile = 'index';
+      if (files.find((file) => file === 'index.es.js')) {
+        entryFile = 'index.es.js';
+      }
       return `
       export {
         ${selectedIcons.join(',')}
-      }  from '@fortawesome/${this.options.pack}/index'
+      }  from '@fortawesome/${this.options.pack}/${entryFile}'
       `;
     }
     const _thisPlugin = this