diff --git a/core/lib/Drupal/Core/Extension/ModuleHandler.php b/core/lib/Drupal/Core/Extension/ModuleHandler.php
index 3570f4c..e1d51eb 100644
--- a/core/lib/Drupal/Core/Extension/ModuleHandler.php
+++ b/core/lib/Drupal/Core/Extension/ModuleHandler.php
@@ -224,7 +224,7 @@ public function buildModuleDependencies(array $modules) {
       $graph[$module->getName()]['edges'] = array();
       if (isset($module->info['dependencies']) && is_array($module->info['dependencies'])) {
         foreach ($module->info['dependencies'] as $dependency) {
-          $dependency_data = static::parseDependency($dependency);
+          $dependency_data = VersionChecker::parseDependency($dependency);
           $graph[$module->getName()]['edges'][$dependency_data['name']] = $dependency_data;
         }
       }
diff --git a/core/modules/system/system.module b/core/modules/system/system.module
index 738b52e..e7ff820 100644
--- a/core/modules/system/system.module
+++ b/core/modules/system/system.module
@@ -9,6 +9,7 @@
 use Drupal\Component\Utility\UrlHelper;
 use Drupal\Core\Asset\AttachedAssetsInterface;
 use Drupal\Core\Cache\Cache;
+use Drupal\Core\Extension\VersionChecker;
 use Drupal\Core\Queue\QueueGarbageCollectionInterface;
 use Drupal\Core\Database\Query\AlterableInterface;
 use Drupal\Core\Extension\Extension;
@@ -1047,7 +1048,7 @@ function _system_rebuild_module_data() {
 function _system_rebuild_module_data_ensure_required($module, &$modules) {
   if (!empty($module->info['required'])) {
     foreach ($module->info['dependencies'] as $dependency) {
-      $dependency_name = ModuleHandler::parseDependency($dependency)['name'];
+      $dependency_name = VersionChecker::parseDependency($dependency)['name'];
       if (!isset($modules[$dependency_name]->info['required'])) {
         $modules[$dependency_name]->info['required'] = TRUE;
         $modules[$dependency_name]->info['explanation'] = t('Dependency of required module @module', array('@module' => $module->info['name']));