diff --git a/bower.json b/bower.json
index f90070eb..7b0bec48 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "manifesto",
-  "version": "2.1.7",
+  "version": "2.1.8",
   "homepage": "https://github.com/edsilv/manifesto",
   "authors": [
     "edsilv <e.silverton@gmail.com>"
diff --git a/dist/client/manifesto.js b/dist/client/manifesto.js
index 6279eb36..61512ff8 100644
--- a/dist/client/manifesto.js
+++ b/dist/client/manifesto.js
@@ -1,4 +1,4 @@
-// manifesto v2.1.7 https://github.com/viewdir/manifesto
+// manifesto v2.1.8 https://github.com/viewdir/manifesto
 (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.manifesto = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
 (function (global){
 ///<reference path="../node_modules/typescript/lib/lib.es6.d.ts"/>   
diff --git a/dist/manifesto.d.ts b/dist/manifesto.d.ts
index fce415ab..54ff6135 100644
--- a/dist/manifesto.d.ts
+++ b/dist/manifesto.d.ts
@@ -1,4 +1,4 @@
-// manifesto v2.1.7 https://github.com/viewdir/manifesto
+// manifesto v2.1.8 https://github.com/viewdir/manifesto
 /// <reference path="../node_modules/typescript/lib/lib.es6.d.ts" />
 
 declare namespace Manifesto {
diff --git a/dist/server/manifesto.js b/dist/server/manifesto.js
index 22eba66d..c3bcb42a 100644
--- a/dist/server/manifesto.js
+++ b/dist/server/manifesto.js
@@ -1,4 +1,4 @@
-// manifesto v2.1.7 https://github.com/viewdir/manifesto
+// manifesto v2.1.8 https://github.com/viewdir/manifesto
 var __extends=this&&this.__extends||function(){var r=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(r,e){r.__proto__=e}||function(r,e){for(var t in e)e.hasOwnProperty(t)&&(r[t]=e[t])};return function(e,t){function n(){this.constructor=e}r(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}}(),exjs;!function(r){r.version="0.5.0"}(exjs||(exjs={}));var exjs;!function(r){Array.isArray||(Array.isArray=function(r){return"[object Array]"===Object.prototype.toString.call(r)})}(exjs||(exjs={}));var exjs;!function(r){var e=function(){function r(){}return r.prototype.getEnumerator=function(){return{moveNext:function(){return!1},current:void 0}},r.prototype.aggregate=function(r,e){for(var t=r,n=this.getEnumerator();n.moveNext();)t=e(t,n.current);return t},r.prototype.all=function(r){if(r)for(var e=this.getEnumerator(),t=0;e.moveNext();){if(!r(e.current,t))return!1;t++}return!0},r.prototype.any=function(r){for(var 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diff --git a/package.json b/package.json
index 3ce63d20..4fe0fd8c 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "manifesto.js",
-  "version": "2.1.7",
+  "version": "2.1.8",
   "description": "IIIF Presentation API utility library for client and server",
   "main": "dist/server/manifesto.js",
   "scripts": {