diff --git a/README.md b/README.md
index f56b69f..6d7fb87 100644
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ A list of search keywords/phrases to be associated with the contentObject/articl
 No known limitations.
 
 ----------------------------
-**Version number:**  4.0.0   <a href="https://community.adaptlearning.org/" target="_blank"><img src="https://github.com/adaptlearning/documentation/blob/master/04_wiki_assets/plug-ins/images/adapt-logo-mrgn-lft.jpg" alt="adapt learning logo" align="right"></a>  
+**Version number:**  4.0.1   <a href="https://community.adaptlearning.org/" target="_blank"><img src="https://github.com/adaptlearning/documentation/blob/master/04_wiki_assets/plug-ins/images/adapt-logo-mrgn-lft.jpg" alt="adapt learning logo" align="right"></a>  
 **Framework versions:** 5.8+  
 **Author / maintainer:** Kineo and community with [contributors](https://github.com/cgkineo/adapt-search/graphs/contributors)  
 **Accessibility support:** WAI AA  
diff --git a/bower.json b/bower.json
index 49fb2e9..245cad4 100644
--- a/bower.json
+++ b/bower.json
@@ -4,7 +4,7 @@
     "type": "git",
     "url": "git://github.com/cgkineo/adapt-search"
   },
-  "version": "4.0.0",
+  "version": "4.0.1",
   "framework": ">=5.8",
   "homepage": "https://github.com/cgkineo/adapt-search",
   "issues": "https://github.com/cgkineo/adapt-search/issues/",
diff --git a/js/adapt-search.js b/js/adapt-search.js
index f4f1524..fcb62c9 100644
--- a/js/adapt-search.js
+++ b/js/adapt-search.js
@@ -1,4 +1,5 @@
 import Adapt from 'core/js/adapt';
+import data from 'core/js/data';
 import SearchDrawerItemView from './searchDrawerItemView';
 import SearchResultsView from './searchResultsView';
 import SEARCH_DEFAULTS from './SEARCH_DEFAULTS';
@@ -19,6 +20,9 @@ class Search extends Backbone.Controller {
       'drawer:closed': this.onDrawerClosed,
       'drawer:noItems': this.onNoItems
     });
+    this.listenTo(data, {
+      'add remove change:_isAvailable change:_isLocked': this.reIndex
+    });
   }
 
   onDataReady() {
@@ -32,12 +36,16 @@ class Search extends Backbone.Controller {
     const modelWithDefaults = $.extend(true, {}, SEARCH_DEFAULTS, model);
     Adapt.course.set('_search', modelWithDefaults);
     this.isSetup = true;
-    window.search = this.searcher = new Searcher();
+    this.reIndex();
   }
 
   clearSearchResults() {
     this.query('');
     this.addDrawerItem();
+    this.reIndex();
+  }
+
+  reIndex() {
     if (!this.isSetup) return;
     window.search = this.searcher = new Searcher();
   }