diff --git a/composer.json b/composer.json
index aea477b..379893f 100644
--- a/composer.json
+++ b/composer.json
@@ -10,11 +10,11 @@
   "repositories": [
     {
       "type": "composer",
-      "url": "https://packagist.drupal-composer.org"
+      "url": "https://packages.drupal.org/8"
     }
   ],
   "require": {
-    "drupal/crop": "~8.1"
+    "drupal/crop": "1.0.0"
   },
   "license": "GPL-2.0+"
 }
diff --git a/image_widget_crop.install b/image_widget_crop.install
index cdedbfc..9450a6a 100644
--- a/image_widget_crop.install
+++ b/image_widget_crop.install
@@ -4,21 +4,12 @@
  * @file
  * Install, update and uninstall functions for the ImageWidgetCrop module.
  */
-use Drupal\Core\Link;
 
 /**
  * Implements hook_requirements().
  */
 function image_widget_crop_requirements($phase) {
   $error = [];
-
-  $libraries_active = FALSE;
-  // Detect if Libraries module & cropper library is active.
-  if (\Drupal::moduleHandler()->moduleExists('libraries') && ($info = libraries_detect('cropper'))
-  ) {
-    $libraries_active = TRUE;
-  }
-
   $config = \Drupal::config('image_widget_crop.settings');
   $files = [
     'js' => $config->get('settings.library_url'),
@@ -28,19 +19,15 @@ function image_widget_crop_requirements($phase) {
   foreach ($files as $type => $file) {
     $is_local = parse_url($file, PHP_URL_SCHEME) === NULL && strpos($file, '//') !== 0;
     // If libraries module is active check if folder is malformed.
-    if ($is_local && $libraries_active && !file_exists($info['library path'] . '/cropper.min.' . $type)) {
-      $error[] = t("<b>:type</b> file : Libraries module is active but an error detected with your cropper libraries configuration. To use cropper library with <i>'libraries'</i> module you must have the following structure `<i>:libraries_cropper</i>`", [
-        ':type' => strtoupper($type),
-        ':libraries_cropper' => '/libraries/cropper/dist/cropper.min.' . $type
-      ]);
+    if ($is_local
+      && \Drupal::moduleHandler()->moduleExists('libraries')
+      && ($info = libraries_detect('cropper'))
+      && (!file_exists($info['library path'] . '/dist/cropper.min.' . $type) && !file_exists($info['library path'] . '/cropper.min.' . $type))) {
+        $error[] = t("<strong>:type</strong> file : Libraries module is active but an error detected with your cropper libraries configuration. To use cropper library with <i>'libraries'</i> module you must have the following structure <i>`:libraries_cropper`</i>", [
+          ':type' => strtoupper($type),
+          ':libraries_cropper' => '/libraries/cropper/dist/cropper.min.' . $type
+        ]);
     }
-    elseif (!$is_local) {
-      $result = \Drupal::httpClient()->request('GET', $file);
-      if ($result->getStatusCode() != 200) {
-        $error[] = t("<b>:type</b> file : The provided CDN path file path not found.", [':type' => strtoupper($type)]);
-      }
-    }
-
   }
 
   $requirements = [];
@@ -58,7 +45,7 @@ function image_widget_crop_requirements($phase) {
   }
   else {
     $requirements['iwc_libraries']['severity'] = REQUIREMENT_OK;
-    $requirements['iwc_libraries']['description'] = t('ImageWidgetCrop libraries files are correctly configured to use <b>:library</b> files', [
+    $requirements['iwc_libraries']['description'] = t('ImageWidgetCrop libraries files are correctly configured to use <strong>:library</strong> files', [
       ':library' => !$is_local ? 'CDN' : 'Libraries API',
     ]);
   }
diff --git a/image_widget_crop.module b/image_widget_crop.module
index cd06620..fbfd2e3 100644
--- a/image_widget_crop.module
+++ b/image_widget_crop.module
@@ -105,7 +105,6 @@ function image_widget_crop_libraries_info() {
       'name' => 'cropper',
       'vendor url' => 'https://github.com/fengyuanchen/cropper',
       'download url' => 'https://cdnjs.com/libraries/cropper',
-      'library path' => 'libraries/cropper/dist',
       'version arguments' => [
         'file' => 'cropper.min.js',
         'pattern' => '/Cropper v(.*)/',
@@ -135,23 +134,31 @@ function image_widget_crop_library_info_alter(&$libraries, $extension) {
   $config = \Drupal::config('image_widget_crop.settings');
   $js  = $config->get('settings.library_url');
   $css = $config->get('settings.css_url');
-
+  // Explicit configuration takes priority.
   if (!empty($js) && !empty($css)) {
-    // Explicit configuration takes priority.
-    $is_local = parse_url($js, PHP_URL_SCHEME) === NULL && strpos($js, '//') !== 0;
-    $libraries['cropper']['js'][$js] = [
-      'type' => $is_local ? 'file' : 'external',
-      'minified' => TRUE,
-    ];
-    $is_local = parse_url($css, PHP_URL_SCHEME) === NULL && strpos($css, '//') !== 0;
-    $libraries['cropper']['css']['component'][$css] = [
-      'type' => $is_local ? 'file' : 'external',
-      'minified' => TRUE,
-    ];
+    $files = ['js' => $js, 'css' =>  $css];
+    foreach ($files as $type => $file_path) {
+      // Evaluate if the path are an local or external.
+      $is_local = parse_url($file_path, PHP_URL_SCHEME) === NULL && strpos($file_path, '//') !== 0;
+      // In that location $file_path are placed on root of module not in drupal root.
+      $data = ($is_local && substr($file_path, 0, 1) !== '/') ? '/' . $file_path : $file_path;
+      if ($type === 'js') {
+        $libraries['cropper'][$type][$data] = [
+          'type' => $is_local ? 'file' : 'external',
+          'minified' => TRUE,
+        ];
+      } else {
+        $libraries['cropper'][$type]['component'][$data] = [
+          'type' => $is_local ? 'file' : 'external',
+          'minified' => TRUE,
+        ];
+      }
+    }
   }
   // If Libraries exist and cropper library is available via Libraries API.
   elseif (\Drupal::moduleHandler()->moduleExists('libraries')
-    && ($info = libraries_detect('cropper')) && $info['installed']) {
+    && ($info = libraries_detect('cropper'))
+    && $info['installed']) {
     $libraries['cropper']['version'] = $info['version'];
     foreach ($info['files'] as $type => $files) {
       // Fetch all possible entry.
@@ -169,6 +176,7 @@ function image_widget_crop_library_info_alter(&$libraries, $extension) {
       }
       else {
         $libraries['cropper'][$type][$data] = $option;
+        $libraries['cropper'][$type][$data] = $option;
       }
     }
   }
diff --git a/src/Form/CropWidgetForm.php b/src/Form/CropWidgetForm.php
index e8be0df..00f1125 100644
--- a/src/Form/CropWidgetForm.php
+++ b/src/Form/CropWidgetForm.php
@@ -104,8 +104,8 @@ class CropWidgetForm extends ConfigFormBase {
     // Indicate which files are used when custom urls are not set.
     if (\Drupal::moduleHandler()->moduleExists('libraries')
       && ($info = libraries_detect('cropper')) && $info['installed']) {
-      $form['library']['library_url']['#attributes']['placeholder'] = $info['library path'] . '/' . key($info['files']['js']);
-      $form['library']['css_url']['#attributes']['placeholder'] = $info['library path'] . '/' . key($info['files']['css']);
+      $form['library']['library_url']['#attributes']['placeholder'] = $info['library path'] . '/dist/' . key($info['files']['js']);
+      $form['library']['css_url']['#attributes']['placeholder'] = $info['library path'] . '/dist/' . key($info['files']['css']);
     }
     else {
       $form['library']['library_url']['#attributes']['placeholder'] = $cdn_js;