diff --git a/bower.json b/bower.json
index b6aa206..baa2465 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "aurelia-dialog",
-  "version": "2.0.0-rc.4",
+  "version": "2.0.0-rc.5",
   "description": "A dialog plugin for Aurelia.",
   "keywords": [
     "aurelia",
diff --git a/dist/umd/aurelia-dialog.js b/dist/umd/aurelia-dialog.js
index d915bec..f075870 100644
--- a/dist/umd/aurelia-dialog.js
+++ b/dist/umd/aurelia-dialog.js
@@ -1,7 +1,7 @@
 (function (global, factory) {
   typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports, require('aurelia-pal'), require('aurelia-dependency-injection'), require('aurelia-templating')) :
   typeof define === 'function' && define.amd ? define(['exports', 'aurelia-pal', 'aurelia-dependency-injection', 'aurelia-templating'], factory) :
-  (global = global || self, factory(global.dialog = {}, global.au, global.au, global.au));
+  (global = global || self, factory((global.au = global.au || {}, global.au.dialog = {}), global.au, global.au, global.au));
 }(this, function (exports, aureliaPal, aureliaDependencyInjection, aureliaTemplating) { 'use strict';
 
   class Renderer {
@@ -659,6 +659,4 @@
   exports.DialogService = DialogService;
   exports.DialogController = DialogController;
 
-  Object.defineProperty(exports, '__esModule', { value: true });
-
 }));
diff --git a/doc/CHANGELOG.md b/doc/CHANGELOG.md
index 7aa2830..638a1ec 100644
--- a/doc/CHANGELOG.md
+++ b/doc/CHANGELOG.md
@@ -1,3 +1,13 @@
+<a name="2.0.0-rc.5"></a>
+# [2.0.0-rc.5](https://github.com/aurelia/dialog/compare/2.0.0-rc.4...2.0.0-rc.5) (2019-01-21)
+
+
+### Bug Fixes
+
+* **build:** correct namespace for umd build ([b3b08e7](https://github.com/aurelia/dialog/commit/b3b08e7))
+
+
+
 <a name="2.0.0-rc.4"></a>
 # [2.0.0-rc.4](https://github.com/aurelia/dialog/compare/2.0.0-rc.3...2.0.0-rc.4) (2019-01-19)
 
diff --git a/package.json b/package.json
index 5299f45..8a46c85 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "aurelia-dialog",
-  "version": "2.0.0-rc.4",
+  "version": "2.0.0-rc.5",
   "description": "A dialog plugin for Aurelia.",
   "keywords": [
     "aurelia",