diff --git a/README.md b/README.md
index 860a2d80f..3a2abc532 100644
--- a/README.md
+++ b/README.md
@@ -1,19 +1,19 @@
-# Lo-Dash v2.2.0
+# Lo-Dash v2.2.1
 A utility library delivering consistency, [customization](http://lodash.com/custom-builds), [performance](http://lodash.com/benchmarks), & [extras](http://lodash.com/#features).
 
 ## Download
 
 * Modern builds perfect for newer browsers/environments:<br>
-[Development](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.js) &
-[Production](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.min.js)
+[Development](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.js) &
+[Production](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.min.js)
 
 * Compatibility builds for older environment support too:<br>
-[Development](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.compat.js) &
-[Production](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.compat.min.js)
+[Development](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.compat.js) &
+[Production](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.compat.min.js)
 
 * Underscore builds to use as a drop-in replacement:<br>
-[Development](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.underscore.js) &
-[Production](https://raw.github.com/lodash/lodash/2.2.0/dist/lodash.underscore.min.js)
+[Development](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.underscore.js) &
+[Production](https://raw.github.com/lodash/lodash/2.2.1/dist/lodash.underscore.min.js)
 
 CDN copies are available on [cdnjs](http://cdnjs.com/libraries/lodash.js/) & [jsDelivr](http://www.jsdelivr.com/#!lodash).<br>
 For smaller file sizes, create [custom builds](http://lodash.com/custom-builds) with only the features needed.<br>
diff --git a/bower.json b/bower.json
index 4b4db66e9..352320e2c 100644
--- a/bower.json
+++ b/bower.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "main": "dist/lodash.compat.js",
   "ignore": [
     ".*",
diff --git a/component.json b/component.json
index ef49fcb2f..5750a6215 100644
--- a/component.json
+++ b/component.json
@@ -1,7 +1,7 @@
 {
   "name": "lodash",
   "repo": "lodash/lodash",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A utility library delivering consistency, customization, performance, & extras.",
   "license": "MIT",
   "keywords": ["amd", "browser", "client", "functional", "server", "util"],
diff --git a/dist/lodash.compat.js b/dist/lodash.compat.js
index a5c839297..e48344d4c 100644
--- a/dist/lodash.compat.js
+++ b/dist/lodash.compat.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 2.2.1 (Custom Build) <http://lodash.com/>
  * Build: `lodash -o ./dist/lodash.compat.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
@@ -6621,7 +6621,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.2.0';
+    lodash.VERSION = '2.2.1';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/dist/lodash.compat.min.js b/dist/lodash.compat.min.js
index ce596eee3..a2d078c27 100644
--- a/dist/lodash.compat.min.js
+++ b/dist/lodash.compat.min.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
+ * Lo-Dash 2.2.1 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
  * Build: `lodash -o ./dist/lodash.compat.js`
  */
 ;(function(){function n(n,t,e){e=(e||0)-1;for(var r=n?n.length:0;++e<r;)if(n[e]===t)return e;return-1}function t(t,e){var r=typeof e;if(t=t.l,"boolean"==r||null==e)return t[e]?0:-1;"number"!=r&&"string"!=r&&(r="object");var u="number"==r?e:b+e;return t=(t=t[r])&&t[u],"object"==r?t&&-1<n(t,e)?0:-1:t?0:-1}function e(n){var t=this.l,e=typeof n;if("boolean"==e||null==n)t[n]=!0;else{"number"!=e&&"string"!=e&&(e="object");var r="number"==e?n:b+n,t=t[e]||(t[e]={});"object"==e?(t[r]||(t[r]=[])).push(n):t[r]=!0
@@ -50,7 +50,7 @@ return a},y.tap=function(n,t){return t(n),n},y.throttle=function(n,t,e){var r=!0
 n||(n=""),e=rr({},e,r);var u,o=rr({},e.imports,r.imports),r=He(o),o=xt(o),i=0,l=e.interpolate||D,f="__p+='",l=ue((e.escape||D).source+"|"+l.source+"|"+(l===N?S:D).source+"|"+(e.evaluate||D).source+"|$","g");n.replace(l,function(t,e,r,o,l,c){return r||(r=o),f+=n.slice(i,c).replace(R,a),e&&(f+="'+__e("+e+")+'"),l&&(u=!0,f+="';"+l+";__p+='"),r&&(f+="'+((__t=("+r+"))==null?'':__t)+'"),i=c+t.length,t}),f+="';\n",l=e=e.variable,l||(e="obj",f="with("+e+"){"+f+"}"),f=(u?f.replace(C,""):f).replace(E,"$1").replace(O,"$1;"),f="function("+e+"){"+(l?"":e+"||("+e+"={});")+"var __t,__p='',__e=_.escape"+(u?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+f+"return __p}";
 try{var c=ne(r,"return "+f).apply(v,o)}catch(p){throw p.source=f,p}return t?c(t):(c.source=f,c)},y.unescape=function(n){return null==n?"":oe(n).replace(Ze,ht)},y.uniqueId=function(n){var t=++d;return oe(null==n?"":n)+t},y.all=kt,y.any=Rt,y.detect=Ot,y.findWhere=Ot,y.foldl=Bt,y.foldr=Dt,y.include=Ct,y.inject=Bt,or(y,function(n,t){y.prototype[t]||(y.prototype[t]=function(){var t=[this.__wrapped__],e=this.__chain__;return be.apply(t,arguments),t=n.apply(y,t),e?new m(t,e):t})}),y.first=$t,y.last=function(n,t,e){var r=0,u=n?n.length:0;
 if(typeof t!="number"&&null!=t){var o=u;for(t=y.createCallback(t,e,3);o--&&t(n[o],o,n);)r++}else if(r=t,null==r||e)return n?n[u-1]:v;return g(n,Pe(0,u-r))},y.sample=function(n,t,e){var r=n?n.length:0;return typeof r!="number"?n=xt(n):We.unindexedChars&&jt(n)&&(n=n.split("")),null==t||e?n?n[Vt(r-1)]:v:(n=Pt(n),n.length=Re(Pe(0,t),n.length),n)},y.take=$t,y.head=$t,or(y,function(n,t){var e="sample"!==t;y.prototype[t]||(y.prototype[t]=function(t,r){var u=this.__chain__,o=n(this.__wrapped__,t,r);return u||null!=t&&(!r||e&&typeof t=="function")?new m(o,u):o
-})}),y.VERSION="2.2.0",y.prototype.chain=function(){return this.__chain__=!0,this},y.prototype.toString=function(){return oe(this.__wrapped__)},y.prototype.value=Qt,y.prototype.valueOf=Qt,tr(["join","pop","shift"],function(n){var t=ie[n];y.prototype[n]=function(){var n=this.__chain__,e=t.apply(this.__wrapped__,arguments);return n?new m(e,n):e}}),tr(["push","reverse","sort","unshift"],function(n){var t=ie[n];y.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),tr(["concat","slice","splice"],function(n){var t=ie[n];
+})}),y.VERSION="2.2.1",y.prototype.chain=function(){return this.__chain__=!0,this},y.prototype.toString=function(){return oe(this.__wrapped__)},y.prototype.value=Qt,y.prototype.valueOf=Qt,tr(["join","pop","shift"],function(n){var t=ie[n];y.prototype[n]=function(){var n=this.__chain__,e=t.apply(this.__wrapped__,arguments);return n?new m(e,n):e}}),tr(["push","reverse","sort","unshift"],function(n){var t=ie[n];y.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),tr(["concat","slice","splice"],function(n){var t=ie[n];
 y.prototype[n]=function(){return new m(t.apply(this.__wrapped__,arguments),this.__chain__)}}),We.spliceObjects||tr(["pop","shift","splice"],function(n){var t=ie[n],e="splice"==n;y.prototype[n]=function(){var n=this.__chain__,r=this.__wrapped__,u=t.apply(r,arguments);return 0===r.length&&delete r[0],n||e?new m(u,n):u}}),y}var v,y=[],m=[],d=0,_={},b=+new Date+"",w=75,j=40,x=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",C=/\b__p\+='';/g,E=/\b(__p\+=)''\+/g,O=/(__e\(.*?\)|\b__t\))\+'';/g,S=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,I=/\w*$/,A=/^function[ \n\r\t]+\w/,N=/<%=([\s\S]+?)%>/g,B=RegExp("^["+x+"]*0+(?=.$)"),D=/($^)/,P=/\bthis\b/,R=/['\n\r\t\u2028\u2029\\]/g,F="Array Boolean Date Error Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),$="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" "),L="[object Arguments]",T="[object Array]",z="[object Boolean]",q="[object Date]",K="[object Error]",W="[object Function]",G="[object Number]",J="[object Object]",M="[object RegExp]",H="[object String]",U={};
 U[W]=!1,U[L]=U[T]=U[z]=U[q]=U[G]=U[J]=U[M]=U[H]=!0;var V={leading:!1,maxWait:0,trailing:!1},Q={configurable:!1,enumerable:!1,value:null,writable:!1},X={a:"",b:null,c:"",d:"",e:"",v:null,g:"",h:null,support:null,i:"",j:!1},Y={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},Z={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},nt=Y[typeof window]&&window||this,tt=Y[typeof exports]&&exports&&!exports.nodeType&&exports,et=Y[typeof module]&&module&&!module.nodeType&&module,rt=et&&et.exports===tt&&tt,ut=Y[typeof global]&&global;
 !ut||ut.global!==ut&&ut.window!==ut||(nt=ut);var ot=h();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(nt._=ot, define(function(){return ot})):tt&&et?rt?(et.exports=ot)._=ot:tt._=ot:nt._=ot}).call(this);
\ No newline at end of file
diff --git a/dist/lodash.js b/dist/lodash.js
index f39f4aca2..568c476c8 100644
--- a/dist/lodash.js
+++ b/dist/lodash.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 2.2.1 (Custom Build) <http://lodash.com/>
  * Build: `lodash modern -o ./dist/lodash.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
@@ -6282,7 +6282,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.2.0';
+    lodash.VERSION = '2.2.1';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/dist/lodash.min.js b/dist/lodash.min.js
index c205809ff..0fd9246ef 100644
--- a/dist/lodash.min.js
+++ b/dist/lodash.min.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
+ * Lo-Dash 2.2.1 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
  * Build: `lodash modern -o ./dist/lodash.js`
  */
 ;(function(){function n(n,t,e){e=(e||0)-1;for(var r=n?n.length:0;++e<r;)if(n[e]===t)return e;return-1}function t(t,e){var r=typeof e;if(t=t.l,"boolean"==r||null==e)return t[e]?0:-1;"number"!=r&&"string"!=r&&(r="object");var u="number"==r?e:_+e;return t=(t=t[r])&&t[u],"object"==r?t&&-1<n(t,e)?0:-1:t?0:-1}function e(n){var t=this.l,e=typeof n;if("boolean"==e||null==n)t[n]=!0;else{"number"!=e&&"string"!=e&&(e="object");var r="number"==e?n:_+n,t=t[e]||(t[e]={});"object"==e?(t[r]||(t[r]=[])).push(n):t[r]=!0
@@ -48,7 +48,7 @@ return a},Y.tap=function(n,t){return t(n),n},Y.throttle=function(n,t,e){var r=!0
 n||(n=""),e=G({},e,r);var u,o=G({},e.imports,r.imports),r=Ke(o),o=jt(o),i=0,f=e.interpolate||S,l="__p+='",f=ue((e.escape||S).source+"|"+f.source+"|"+(f===N?C:S).source+"|"+(e.evaluate||S).source+"|$","g");n.replace(f,function(t,e,r,o,f,c){return r||(r=o),l+=n.slice(i,c).replace(A,a),e&&(l+="'+__e("+e+")+'"),f&&(u=!0,l+="';"+f+";__p+='"),r&&(l+="'+((__t=("+r+"))==null?'':__t)+'"),i=c+t.length,t}),l+="';\n",f=e=e.variable,f||(e="obj",l="with("+e+"){"+l+"}"),l=(u?l.replace(j,""):l).replace(k,"$1").replace(x,"$1;"),l="function("+e+"){"+(f?"":e+"||("+e+"={});")+"var __t,__p='',__e=_.escape"+(u?",__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}":";")+l+"return __p}";
 try{var c=ne(r,"return "+l).apply(h,o)}catch(p){throw p.source=l,p}return t?c(t):(c.source=l,c)},Y.unescape=function(n){return null==n?"":oe(n).replace(Ue,vt)},Y.uniqueId=function(n){var t=++m;return oe(null==n?"":n)+t},Y.all=xt,Y.any=$t,Y.detect=Ot,Y.findWhere=Ot,Y.foldl=At,Y.foldr=Dt,Y.include=kt,Y.inject=At,y(Y,function(n,t){Y.prototype[t]||(Y.prototype[t]=function(){var t=[this.__wrapped__],e=this.__chain__;return _e.apply(t,arguments),t=n.apply(Y,t),e?new nt(t,e):t})}),Y.first=Tt,Y.last=function(n,t,e){var r=0,u=n?n.length:0;
 if(typeof t!="number"&&null!=t){var o=u;for(t=Y.createCallback(t,e,3);o--&&t(n[o],o,n);)r++}else if(r=t,null==r||e)return n?n[u-1]:h;return s(n,Re(0,u-r))},Y.sample=function(n,t,e){var r=n?n.length:0;return typeof r!="number"&&(n=jt(n)),null==t||e?n?n[Jt(r-1)]:h:(n=Bt(n),n.length=Ae(Re(0,t),n.length),n)},Y.take=Tt,Y.head=Tt,y(Y,function(n,t){var e="sample"!==t;Y.prototype[t]||(Y.prototype[t]=function(t,r){var u=this.__chain__,o=n(this.__wrapped__,t,r);return u||null!=t&&(!r||e&&typeof t=="function")?new nt(o,u):o
-})}),Y.VERSION="2.2.0",Y.prototype.chain=function(){return this.__chain__=!0,this},Y.prototype.toString=function(){return oe(this.__wrapped__)},Y.prototype.value=Qt,Y.prototype.valueOf=Qt,It(["join","pop","shift"],function(n){var t=ie[n];Y.prototype[n]=function(){var n=this.__chain__,e=t.apply(this.__wrapped__,arguments);return n?new nt(e,n):e}}),It(["push","reverse","sort","unshift"],function(n){var t=ie[n];Y.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),It(["concat","slice","splice"],function(n){var t=ie[n];
+})}),Y.VERSION="2.2.1",Y.prototype.chain=function(){return this.__chain__=!0,this},Y.prototype.toString=function(){return oe(this.__wrapped__)},Y.prototype.value=Qt,Y.prototype.valueOf=Qt,It(["join","pop","shift"],function(n){var t=ie[n];Y.prototype[n]=function(){var n=this.__chain__,e=t.apply(this.__wrapped__,arguments);return n?new nt(e,n):e}}),It(["push","reverse","sort","unshift"],function(n){var t=ie[n];Y.prototype[n]=function(){return t.apply(this.__wrapped__,arguments),this}}),It(["concat","slice","splice"],function(n){var t=ie[n];
 Y.prototype[n]=function(){return new nt(t.apply(this.__wrapped__,arguments),this.__chain__)}}),Y}var h,g=[],y=[],m=0,_=+new Date+"",b=75,d=40,w=" \t\x0B\f\xa0\ufeff\n\r\u2028\u2029\u1680\u180e\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000",j=/\b__p\+='';/g,k=/\b(__p\+=)''\+/g,x=/(__e\(.*?\)|\b__t\))\+'';/g,C=/\$\{([^\\}]*(?:\\.[^\\}]*)*)\}/g,O=/\w*$/,I=/^function[ \n\r\t]+\w/,N=/<%=([\s\S]+?)%>/g,E=RegExp("^["+w+"]*0+(?=.$)"),S=/($^)/,R=/\bthis\b/,A=/['\n\r\t\u2028\u2029\\]/g,D="Array Boolean Date Function Math Number Object RegExp String _ attachEvent clearTimeout isFinite isNaN parseInt setImmediate setTimeout".split(" "),B="[object Arguments]",$="[object Array]",F="[object Boolean]",T="[object Date]",W="[object Function]",q="[object Number]",z="[object Object]",P="[object RegExp]",K="[object String]",L={};
 L[W]=!1,L[B]=L[$]=L[F]=L[T]=L[q]=L[z]=L[P]=L[K]=!0;var M={leading:!1,maxWait:0,trailing:!1},U={configurable:!1,enumerable:!1,value:null,writable:!1},V={"boolean":!1,"function":!0,object:!0,number:!1,string:!1,undefined:!1},G={"\\":"\\","'":"'","\n":"n","\r":"r","\t":"t","\u2028":"u2028","\u2029":"u2029"},H=V[typeof window]&&window||this,J=V[typeof exports]&&exports&&!exports.nodeType&&exports,Q=V[typeof module]&&module&&!module.nodeType&&module,X=Q&&Q.exports===J&&J,Y=V[typeof global]&&global;!Y||Y.global!==Y&&Y.window!==Y||(H=Y);
 var Z=v();typeof define=="function"&&typeof define.amd=="object"&&define.amd?(H._=Z, define(function(){return Z})):J&&Q?X?(Q.exports=Z)._=Z:J._=Z:H._=Z}).call(this);
\ No newline at end of file
diff --git a/dist/lodash.underscore.js b/dist/lodash.underscore.js
index 141379599..950c73f37 100644
--- a/dist/lodash.underscore.js
+++ b/dist/lodash.underscore.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) <http://lodash.com/>
+ * Lo-Dash 2.2.1 (Custom Build) <http://lodash.com/>
  * Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js`
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
@@ -4708,7 +4708,7 @@
    * @memberOf _
    * @type string
    */
-  lodash.VERSION = '2.2.0';
+  lodash.VERSION = '2.2.1';
 
   // add "Chaining" functions to the wrapper
   lodash.prototype.chain = wrapperChain;
diff --git a/dist/lodash.underscore.min.js b/dist/lodash.underscore.min.js
index 0477c91e9..3c3a4c3cd 100644
--- a/dist/lodash.underscore.min.js
+++ b/dist/lodash.underscore.min.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
+ * Lo-Dash 2.2.1 (Custom Build) lodash.com/license | Underscore.js 1.5.2 underscorejs.org/LICENSE
  * Build: `lodash underscore exports="amd,commonjs,global,node" -o ./dist/lodash.underscore.js`
  */
 ;(function(){function n(n,r,t){t=(t||0)-1;for(var e=n?n.length:0;++t<e;)if(n[t]===r)return t;return-1}function r(n,r){var t=n.m,e=r.m;if(t!==e){if(t>e||typeof t=="undefined")return 1;if(t<e||typeof e=="undefined")return-1}return n.n-r.n}function t(n){return"\\"+vr[n]}function e(){}function u(n){return n instanceof u?n:new o(n)}function o(n,r){this.__chain__=!!r,this.__wrapped__=n}function i(n,r,t){if(typeof n!="function")return Q;if(typeof r=="undefined")return n;switch(t){case 1:return function(t){return n.call(r,t)
@@ -34,5 +34,5 @@ o in n&&(u[o]=n[o])}return u},u.pluck=D,u.range=function(n,r,t){n=+n||0,t=+t||1,
 },u.isNumber=E,u.isObject=x,u.isRegExp=function(n){return n&&hr[typeof n]?Br.call(n)==pr:!1},u.isString=T,u.isUndefined=function(n){return typeof n=="undefined"},u.lastIndexOf=function(n,r,t){var e=n?n.length:0;for(typeof t=="number"&&(e=(0>t?$r(0,e+t):Ir(t,e-1))+1);e--;)if(n[e]===r)return e;return-1},u.mixin=X,u.noConflict=function(){return gr._=jr,this},u.random=Y,u.reduce=M,u.reduceRight=$,u.result=function(n,r){if(n){var t=n[r];return j(t)?n[r]():t}},u.size=function(n){var r=n?n.length:0;return typeof r=="number"?r:Hr(n).length
 },u.some=W,u.sortedIndex=G,u.template=function(n,r,e){var o=u,i=o.templateSettings;n||(n=""),e=_({},e,i);var f=0,a="__p+='",i=e.variable;n.replace(RegExp((e.escape||er).source+"|"+(e.interpolate||er).source+"|"+(e.evaluate||er).source+"|$","g"),function(r,e,u,o,i){return a+=n.slice(f,i).replace(ur,t),e&&(a+="'+_.escape("+e+")+'"),o&&(a+="';"+o+";__p+='"),u&&(a+="'+((__t=("+u+"))==null?'':__t)+'"),f=i+r.length,r}),a+="';\n",i||(i="obj",a="with("+i+"||{}){"+a+"}"),a="function("+i+"){var __t,__p='',__j=Array.prototype.join;function print(){__p+=__j.call(arguments,'')}"+a+"return __p}";
 try{var l=Function("_","return "+a)(o)}catch(c){throw c.source=a,c}return r?l(r):(l.source=a,l)},u.unescape=function(n){return null==n?"":(n+"").replace(Lr,g)},u.uniqueId=function(n){var r=++nr+"";return n?n+r:r},u.all=S,u.any=W,u.detect=N,u.findWhere=function(n,r){return z(n,r,!0)},u.foldl=M,u.foldr=$,u.include=O,u.inject=M,u.first=P,u.last=function(n,r,t){var e=0,u=n?n.length:0;if(typeof r!="number"&&null!=r){var o=u;for(r=K(r,t,3);o--&&r(n[o],o,n);)e++}else if(e=r,null==e||t)return n?n[u-1]:Z;
-return zr.call(n,$r(0,u-e))},u.sample=function(n,r,t){var e=n?n.length:0;return typeof e!="number"&&(n=A(n)),null==r||t?n?n[Y(e-1)]:Z:(n=I(n),n.length=Ir($r(0,r),n.length),n)},u.take=P,u.head=P,X(u),u.VERSION="2.2.0",u.prototype.chain=function(){return this.__chain__=!0,this},u.prototype.value=function(){return this.__wrapped__},R("pop push reverse shift sort splice unshift".split(" "),function(n){var r=br[n];u.prototype[n]=function(){var n=this.__wrapped__;return r.apply(n,arguments),Ur.spliceObjects||0!==n.length||delete n[0],this
+return zr.call(n,$r(0,u-e))},u.sample=function(n,r,t){var e=n?n.length:0;return typeof e!="number"&&(n=A(n)),null==r||t?n?n[Y(e-1)]:Z:(n=I(n),n.length=Ir($r(0,r),n.length),n)},u.take=P,u.head=P,X(u),u.VERSION="2.2.1",u.prototype.chain=function(){return this.__chain__=!0,this},u.prototype.value=function(){return this.__wrapped__},R("pop push reverse shift sort splice unshift".split(" "),function(n){var r=br[n];u.prototype[n]=function(){var n=this.__wrapped__;return r.apply(n,arguments),Ur.spliceObjects||0!==n.length||delete n[0],this
 }}),R(["concat","join","slice"],function(n){var r=br[n];u.prototype[n]=function(){var n=r.apply(this.__wrapped__,arguments);return this.__chain__&&(n=new o(n),n.__chain__=!0),n}}),typeof define=="function"&&typeof define.amd=="object"&&define.amd?(gr._=u, define(function(){return u})):yr&&mr?_r?(mr.exports=u)._=u:yr._=u:gr._=u}).call(this);
\ No newline at end of file
diff --git a/doc/README.md b/doc/README.md
index eeea7e7b4..f3d21a541 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,4 +1,4 @@
-# Lo-Dash <span>v2.2.0</span>
+# Lo-Dash <span>v2.2.1</span>
 
 <!-- div -->
 
diff --git a/lodash.js b/lodash.js
index d254f9e29..71bb2c452 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1,6 +1,6 @@
 /**
  * @license
- * Lo-Dash 2.2.0 <http://lodash.com/>
+ * Lo-Dash 2.2.1 <http://lodash.com/>
  * Copyright 2012-2013 The Dojo Foundation <http://dojofoundation.org/>
  * Based on Underscore.js 1.5.2 <http://underscorejs.org/LICENSE>
  * Copyright 2009-2013 Jeremy Ashkenas, DocumentCloud and Investigative Reporters & Editors
@@ -6638,7 +6638,7 @@
      * @memberOf _
      * @type string
      */
-    lodash.VERSION = '2.2.0';
+    lodash.VERSION = '2.2.1';
 
     // add "Chaining" functions to the wrapper
     lodash.prototype.chain = wrapperChain;
diff --git a/package.json b/package.json
index 991fbc3d9..637ace8ac 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash",
-  "version": "2.2.0",
+  "version": "2.2.1",
   "description": "A utility library delivering consistency, customization, performance, & extras.",
   "homepage": "http://lodash.com/",
   "license": "MIT",