diff --git a/README.txt b/README.txt
index ede1b9f..f372783 100644
--- a/README.txt
+++ b/README.txt
@@ -46,7 +46,7 @@ Installation:
 2. Download and unpack the Colorbox plugin in "libraries".
     Make sure the path to the plugin file becomes:
     "libraries/colorbox/jquery.colorbox-min.js"
-   Link: https://github.com/jackmoore/colorbox/archive/1.x.zip
+   Link: https://github.com/jackmoore/colorbox/archive/master.zip
    Drush users can use the command "drush colorbox-plugin".
 3. Go to "Administer" -> "Extend" and enable the Colorbox module.
 
diff --git a/colorbox.install b/colorbox.install
index cba3ef8..b62dbc3 100644
--- a/colorbox.install
+++ b/colorbox.install
@@ -11,46 +11,15 @@ use Drupal\Component\Utility\Unicode;
  * Implements hook_requirements().
  */
 function colorbox_requirements($phase) {
-  $requirements = array();
+  $library = \Drupal::service('library.discovery')->getLibraryByName('colorbox', 'colorbox');
+  $library_exists = file_exists(DRUPAL_ROOT . '/' . $library['js'][0]['data']);
 
-  if (\Drupal::moduleHandler()->moduleExists('libraries')) {
-    if ($phase == 'runtime') {
-      $library = libraries_detect('colorbox');
-      $error_type = isset($library['error']) ? Unicode::ucfirst($library['error']) : '';
-      $error_message = isset($library['error message']) ? $library['error message'] : '';
-
-      if (empty($library['installed'])) {
-        $requirements['colorbox_plugin'] = array(
-          'title' => t('Colorbox plugin'),
-          'value' => t('@e: At least @a', array('@e' => $error_type, '@a' => COLORBOX_MIN_PLUGIN_VERSION)),
-          'severity' => REQUIREMENT_ERROR,
-          'description' => t('@error You need to download the <a href=":colorbox_link">Colorbox plugin</a>, extract the archive and place the colorbox directory in the %path directory on your server.', array(
-            '@error' => $error_message,
-            ':colorbox_link' => $library['download url'],
-            '%path' => 'libraries',
-          )),
-        );
-      }
-      elseif (version_compare($library['version'], COLORBOX_MIN_PLUGIN_VERSION, '>=')) {
-        $requirements['colorbox_plugin'] = array(
-          'title' => t('Colorbox plugin'),
-          'severity' => REQUIREMENT_OK,
-          'value' => $library['version'],
-        );
-      }
-      else {
-        $requirements['colorbox_plugin'] = array(
-          'title' => t('Colorbox plugin'),
-          'value' => t('At least @a', array('@a' => COLORBOX_MIN_PLUGIN_VERSION)),
-          'severity' => REQUIREMENT_ERROR,
-          'description' => t('You need to download a later version of the <a href=":colorbox_link">Colorbox plugin</a> and replace the old version located in the %path directory on your server.', array(
-            ':colorbox_link' => $library['download url'],
-            '%path' => $library['library path']
-          )),
-        );
-      }
-    }
-  }
-
-  return $requirements;
+  return [
+    'colorbox_library_downloaded' => [
+      'title' => t('Colorbox library'),
+      'value' => $library_exists ? t('Installed') : t('Not installed'),
+      'description' => $library_exists ? '' : t('The Colorbox library needs to be <a href="@url">downloaded</a> and extracted into the /libraries/colorbox folder in your Drupal installation directory.', ['@url' => 'https://github.com/jackmoore/colorbox/archive/master.zip']),
+      'severity' => $library_exists ? REQUIREMENT_OK : REQUIREMENT_ERROR,
+    ],
+  ];
 }
diff --git a/colorbox.module b/colorbox.module
index 1ef3484..662c005 100644
--- a/colorbox.module
+++ b/colorbox.module
@@ -2,16 +2,10 @@
 
 /**
  * @file
- * A light-weight, customizable lightbox plugin for jQuery 1.3
+ * A light-weight, customizable lightbox plugin.
  */
 
 /**
- * The default path to the Colorbox directory.
- */
-define('COLORBOX_MIN_PLUGIN_VERSION', '1.6.1');
-
-
-/**
  * Implements hook_theme().
  */
 function colorbox_theme() {
@@ -26,42 +20,3 @@ function colorbox_theme() {
     ),
   );
 }
-
-/**
- * Implements hook_libraries_info().
- */
-function colorbox_libraries_info() {
-  $libraries['colorbox'] = array(
-    'name' => 'Colorbox plugin',
-    'vendor url' => 'http://www.jacklmoore.com/colorbox',
-    'download url' => 'https://github.com/jackmoore/colorbox/archive/1.x.zip',
-    'version arguments' => array(
-      'file' => 'jquery.colorbox-min.js',
-      'pattern' => '@(?i:Colorbox)\sv?([0-9\.a-z]+)@',
-      'lines' => 5,
-    ),
-    'files' => array(
-      'js' => array(
-        'jquery.colorbox-min.js',
-      ),
-    ),
-    'variants' => array(
-      'minified' => array(
-        'files' => array(
-          'js' => array(
-            'jquery.colorbox-min.js',
-          ),
-        ),
-      ),
-      'source' => array(
-        'files' => array(
-          'js' => array(
-            'jquery.colorbox.js',
-          ),
-        ),
-      ),
-    ),
-  );
-
-  return $libraries;
-}
diff --git a/drush/colorbox.drush.inc b/drush/colorbox.drush.inc
index 1ac9b61..fb8a295 100644
--- a/drush/colorbox.drush.inc
+++ b/drush/colorbox.drush.inc
@@ -8,7 +8,7 @@
 /**
  * The Colorbox plugin URI.
  */
-define('COLORBOX_DOWNLOAD_URI', 'https://github.com/jackmoore/colorbox/archive/1.x.zip');
+define('COLORBOX_DOWNLOAD_URI', 'https://github.com/jackmoore/colorbox/archive/master.zip');
 define('COLORBOX_DOWNLOAD_PREFIX', 'colorbox-');
 
 /**