diff --git a/l10n_update.install b/l10n_update.install
index ba58183..d21e86e 100644
--- a/l10n_update.install
+++ b/l10n_update.install
@@ -135,6 +135,10 @@ function l10n_update_schema() {
     ),
     'primary key' => array('project', 'language'),
   );
+
+  $schema['cache_l10n_update'] = drupal_get_schema_unprocessed('system', 'cache');
+  $schema['cache_l10n_update']['description'] = 'Cache table for the Localization Update module to store information about available releases, fetched from central server.';
+
   return $schema;
 }