diff --git a/ckeditor5.libraries.yml b/ckeditor5.libraries.yml
index 417d971..467a7d5 100644
--- a/ckeditor5.libraries.yml
+++ b/ckeditor5.libraries.yml
@@ -17,9 +17,9 @@ drupal.ckeditor5:
     - core/jquery
     - core/drupal
     - core/drupal.debounce
-    - ckeditor5/ckeditor5.editorClassic
-    - ckeditor5/ckeditor5.editorDecoupled
-    - ckeditor5/ckeditor5
+    - core/ckeditor5.editorClassic
+    - core/ckeditor5.editorDecoupled
+    - core/ckeditor5
     - editor/drupal.editor
     - ckeditor5/drupal.ckeditor5.quickedit-temporary-work-around
 
@@ -112,7 +112,7 @@ admin.heading:
     theme:
       css/heading.admin.css: { }
   dependencies:
-    - ckeditor5/ckeditor5.internal
+    - core/ckeditor5.internal
 
 admin.horizontalLine:
   css:
diff --git a/ckeditor5.module b/ckeditor5.module
index 10699e9..0ac517b 100644
--- a/ckeditor5.module
+++ b/ckeditor5.module
@@ -321,11 +321,11 @@ function ckeditor5_library_info_alter(&$libraries, $extension) {
     $libraries['base']['dependencies'][] = 'ckeditor5/ie11.user.warnings';
   }
 
-  if ($extension === 'ckeditor5') {
+  if ($extension === 'core') {
     // Generate libraries for each of the CKEditor 5 translation files so that
     // the correct translation file can be attached depending on the current
     // language.
-    $files = scandir(\Drupal::service('extension.list.module')->getPath('ckeditor5') . '/js/build/translations');
+    $files = scandir('core/assets/vendor/ckeditor5/build/translations');
     foreach ($files as $file) {
       if ($file[0] !== '.' && preg_match('/\.js$/', $file)) {
         $langcode = basename($file, '.js');
@@ -334,7 +334,7 @@ function ckeditor5_library_info_alter(&$libraries, $extension) {
           'version' => $libraries['ckeditor5']['version'],
           'license' => $libraries['ckeditor5']['license'],
           'js' => [
-            'js/build/translations/' . $file => ['preprocess' => FALSE, 'minified' => TRUE],
+            'assets/vendor/ckeditor5/build/translations/' . $file => ['preprocess' => FALSE, 'minified' => TRUE],
           ],
         ];
       }
diff --git a/src/Plugin/Editor/CKEditor5.php b/src/Plugin/Editor/CKEditor5.php
index 6bf23dd..1c0c38b 100644
--- a/src/Plugin/Editor/CKEditor5.php
+++ b/src/Plugin/Editor/CKEditor5.php
@@ -840,7 +840,7 @@ class CKEditor5 extends EditorBase implements ContainerFactoryPluginInterface {
     if (empty($langcodes)) {
       $langcodes = [];
       // Collect languages included with CKEditor 5 based on file listing.
-      $files = scandir($this->moduleHandler->getModule('ckeditor5')->getPath() . '/js/build/translations');
+      $files = scandir('core/assets/vendor/ckeditor5/build/translations');
       foreach ($files as $file) {
         if ($file[0] !== '.' && preg_match('/\.js$/', $file)) {
           $langcode = basename($file, '.js');
diff --git a/tests/modules/ckeditor5_test/ckeditor5_test.libraries.yml b/tests/modules/ckeditor5_test/ckeditor5_test.libraries.yml
index 8547f16..c0c6118 100644
--- a/tests/modules/ckeditor5_test/ckeditor5_test.libraries.yml
+++ b/tests/modules/ckeditor5_test/ckeditor5_test.libraries.yml
@@ -12,4 +12,4 @@ layercake:
     theme:
       css/layout.css: {}
   dependencies:
-    - ckeditor5/ckeditor5
+    - core/ckeditor5