diff --git a/src/multiselect.js b/src/multiselect.js
index a4a4dde..4dd62df 100644
--- a/src/multiselect.js
+++ b/src/multiselect.js
@@ -84,6 +84,13 @@
                     }
                 };
 
+                // Update selection options if data changes
+                $scope.$watch('options', function(newVal) {
+                    $scope.options = newVal;
+                    $scope.resolvedOptions = newVal;
+                    updateSelectionLists();
+                }, true);
+
                 $ngModelCtrl.$render = function () {
                     updateSelectionLists();
                 };