1 files changed, 4 insertions, 0 deletions
diff --git a/update.php b/update.php
index 2c8fbb14b..20a9caf45 100644
--- a/update.php
+++ b/update.php
@@ -292,6 +292,10 @@ if (empty($op) && $update_access_allowed) {
   drupal_load('module', 'system');
   drupal_load('module', 'filter');
 
+  // Reset the module_implements() cache so that any new hook implementations
+  // in updated code are picked up.
+  module_implements('', FALSE, TRUE);
+
   // Set up $language, since the installer components require it.
   drupal_language_initialize();