diff --git a/commons.install b/commons.install
index f774d11..86a3f14 100644
--- a/commons.install
+++ b/commons.install
@@ -197,4 +197,11 @@ function commons_update_3106() {
   $module_list = array('addressfield', 'addressfield_tokens');
   module_enable($module_list);
   return array();
-}
\ No newline at end of file
+}
+
+/**
+ * Rebuild the registry to accommodate Commons modules merging into the profile.
+ */
+function commons_update_3107() {
+  registry_rebuild();
+}