diff --git a/README.md b/README.md
index d7ccec0e86..5287609941 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Lo-Dash <sup>v0.5.0</sup>
+# Lo-Dash <sup>v0.5.1</sup>
 
 A drop-in replacement<sup>[*](https://github.com/bestiejs/lodash/wiki/Drop-in-Disclaimer)</sup> for Underscore.js, from the devs behind [jsPerf.com](http://jsperf.com), delivering [performance](http://lodash.com/benchmarks), [bug fixes](https://github.com/bestiejs/lodash#resolved-underscorejs-issues-20), and [additional features](https://github.com/bestiejs/lodash#features).
 
@@ -6,9 +6,9 @@ Lo-Dash’s performance is gained by avoiding slower native methods, instead opt
 
 ## Download
 
- * [Development source](https://raw.github.com/bestiejs/lodash/v0.5.0/lodash.js)
- * [Production source](https://raw.github.com/bestiejs/lodash/v0.5.0/lodash.min.js)
- * CDN copies of ≤ [v0.4.2](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.4.2/lodash.min.js) are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/)
+ * [Development source](https://raw.github.com/bestiejs/lodash/v0.5.1/lodash.js)
+ * [Production source](https://raw.github.com/bestiejs/lodash/v0.5.1/lodash.min.js)
+ * CDN copies of ≤ [v0.5.0](http://cdnjs.cloudflare.com/ajax/libs/lodash.js/0.5.0/lodash.min.js) are available on [cdnjs](http://cdnjs.com/) thanks to [CloudFlare](http://www.cloudflare.com/)
  * For optimal performance, [create a custom build](https://github.com/bestiejs/lodash#custom-builds) with only the features you need
 
 ## Dive in
@@ -168,37 +168,37 @@ require({
 
 ## Resolved Underscore.js issues <sup>(20+)</sup>
 
- * Allow iteration of objects with a `length` property [[#148](https://github.com/documentcloud/underscore/issues/148), [#154](https://github.com/documentcloud/underscore/issues/154), [#252](https://github.com/documentcloud/underscore/issues/252), [#448](https://github.com/documentcloud/underscore/issues/448), [#659](https://github.com/documentcloud/underscore/issues/659), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L544-550)]
- * Ensure array-like objects with invalid `length` properties are treated like regular objects [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L491-501)]
- * Ensure *"Arrays"* methods allow falsey `array` arguments [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1487-1525)]
- * Ensure *"Collections"* methods allow string `collection` arguments [[#247](https://github.com/documentcloud/underscore/issues/247), [#276](https://github.com/documentcloud/underscore/issues/276), [#561](https://github.com/documentcloud/underscore/pull/561), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L503-521)]
- * Ensure templates compiled with errors are inspectable [[#666](https://github.com/documentcloud/underscore/issues/666), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1232-1235)]
- * Fix cross-browser object iteration bugs [[#60](https://github.com/documentcloud/underscore/issues/60), [#376](https://github.com/documentcloud/underscore/issues/376), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L555-580)]
+ * Allow iteration of objects with a `length` property [[#148](https://github.com/documentcloud/underscore/issues/148), [#154](https://github.com/documentcloud/underscore/issues/154), [#252](https://github.com/documentcloud/underscore/issues/252), [#448](https://github.com/documentcloud/underscore/issues/448), [#659](https://github.com/documentcloud/underscore/issues/659), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L552-558)]
+ * Ensure array-like objects with invalid `length` properties are treated like regular objects [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L499-509)]
+ * Ensure *"Arrays"* methods allow falsey `array` arguments [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1495-1533)]
+ * Ensure *"Collections"* methods allow string `collection` arguments [[#247](https://github.com/documentcloud/underscore/issues/247), [#276](https://github.com/documentcloud/underscore/issues/276), [#561](https://github.com/documentcloud/underscore/pull/561), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L511-529)]
+ * Ensure templates compiled with errors are inspectable [[#666](https://github.com/documentcloud/underscore/issues/666), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1240-1243)]
+ * Fix cross-browser object iteration bugs [[#60](https://github.com/documentcloud/underscore/issues/60), [#376](https://github.com/documentcloud/underscore/issues/376), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L563-588)]
  * Handle arrays with `undefined` values correctly in IE < 9 [[#601](https://github.com/documentcloud/underscore/issues/601)]
- * Methods should work on pages with incorrectly shimmed native methods [[#7](https://github.com/documentcloud/underscore/issues/7), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L117-123)]
- * Register as an AMD module, but still export to global [[#431](https://github.com/documentcloud/underscore/pull/431), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L101-115)]
- * `_(…)` should return passed wrapper instances [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L135-138)]
- * `_.clone` should allow `deep` cloning [[#595](https://github.com/documentcloud/underscore/pull/595), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L197-212)]
- * `_.contains` should work with strings [[#667](https://github.com/documentcloud/underscore/pull/667), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L267-276)]
- * `_.escape` should return an empty string when passed `null` or `undefined` [[#427](https://github.com/documentcloud/underscore/issues/427), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L367-370)]
- * `_.extend` should recursively extend objects [[#379](https://github.com/documentcloud/underscore/pull/379), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L882-955)]
- * `_.forEach` should be chainable [[#142](https://github.com/documentcloud/underscore/issues/142), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L486-489)]
- * `_.forEach` should allow exiting iteration early [[#211](https://github.com/documentcloud/underscore/issues/211), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L582-601)]
- * `_.groupBy` should add values to own, not inherited, properties [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L616-623)]
- * `_.isEmpty` and `_.size` should support jQuery/MooTools DOM query collections [[#690](https://github.com/documentcloud/underscore/pull/690), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L716-721)]
- * `_.isEqual` should return `true` for like-objects from different documents [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L757-777)]
- * `_.isObject` should avoid V8 bug [#2291](http://code.google.com/p/v8/issues/detail?id=2291) [[#605](https://github.com/documentcloud/underscore/issues/605), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L785-797)]
- * `_.isNaN(new Number(NaN))` should return `true` [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L805-807)]
- * `_.keys` and `_.size` should work with `arguments` objects cross-browser [[#396](https://github.com/documentcloud/underscore/issues/396), [#653](https://github.com/documentcloud/underscore/issues/653), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L817-819)]
+ * Methods should work on pages with incorrectly shimmed native methods [[#7](https://github.com/documentcloud/underscore/issues/7), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L117-123)]
+ * Register as an AMD module, but still export to global [[#431](https://github.com/documentcloud/underscore/pull/431), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L101-115)]
+ * `_(…)` should return passed wrapper instances [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L135-138)]
+ * `_.clone` should allow `deep` cloning [[#595](https://github.com/documentcloud/underscore/pull/595), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L205-220)]
+ * `_.contains` should work with strings [[#667](https://github.com/documentcloud/underscore/pull/667), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L275-284)]
+ * `_.escape` should return an empty string when passed `null` or `undefined` [[#427](https://github.com/documentcloud/underscore/issues/427), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L375-378)]
+ * `_.extend` should recursively extend objects [[#379](https://github.com/documentcloud/underscore/pull/379), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L892-914)]
+ * `_.forEach` should be chainable [[#142](https://github.com/documentcloud/underscore/issues/142), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L494-497)]
+ * `_.forEach` should allow exiting iteration early [[#211](https://github.com/documentcloud/underscore/issues/211), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L590-609)]
+ * `_.groupBy` should add values to own, not inherited, properties [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L624-631)]
+ * `_.isEmpty` and `_.size` should support jQuery/MooTools DOM query collections [[#690](https://github.com/documentcloud/underscore/pull/690), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L724-729)]
+ * `_.isEqual` should return `true` for like-objects from different documents [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L765-785)]
+ * `_.isObject` should avoid V8 bug [#2291](http://code.google.com/p/v8/issues/detail?id=2291) [[#605](https://github.com/documentcloud/underscore/issues/605), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L793-805)]
+ * `_.isNaN(new Number(NaN))` should return `true` [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L813-815)]
+ * `_.keys` and `_.size` should work with `arguments` objects cross-browser [[#396](https://github.com/documentcloud/underscore/issues/396), [#653](https://github.com/documentcloud/underscore/issues/653), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L825-827)]
  * `_.once` should free the given function for garbage collection [[#693](https://github.com/documentcloud/underscore/pull/693)]
- * `_.range` should coerce arguments to numbers [[#634](https://github.com/documentcloud/underscore/issues/634), [#683](https://github.com/documentcloud/underscore/issues/683), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1042-1045)]
- * `_.reduceRight` should pass correct callback arguments when iterating objects [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1053-1067)]
- * `_.size` should return the `length` of string values [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1112-1114)]
- * `_.size` shouldn’t error on falsey values [[#650](https://github.com/documentcloud/underscore/pull/650), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1116-1123)]
- * `_.sortedIndex` should support arrays with high `length` values [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1202-1211)]
- * `_.template` should not augment the `options` object [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1226-1230)]
- * `_.throttle` should work when called in a loop [[#502](https://github.com/documentcloud/underscore/issues/502), [test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1322-1332)]
- * `_.zipObject` should accept less than two arguments [[test](https://github.com/bestiejs/lodash/blob/v0.5.0/test/test.js#L1449-1451)]
+ * `_.range` should coerce arguments to numbers [[#634](https://github.com/documentcloud/underscore/issues/634), [#683](https://github.com/documentcloud/underscore/issues/683), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1050-1053)]
+ * `_.reduceRight` should pass correct callback arguments when iterating objects [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1061-1075)]
+ * `_.size` should return the `length` of string values [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1120-1122)]
+ * `_.size` shouldn’t error on falsey values [[#650](https://github.com/documentcloud/underscore/pull/650), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1124-1131)]
+ * `_.sortedIndex` should support arrays with high `length` values [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1210-1219)]
+ * `_.template` should not augment the `options` object [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1234-1238)]
+ * `_.throttle` should work when called in a loop [[#502](https://github.com/documentcloud/underscore/issues/502), [test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1330-1340)]
+ * `_.zipObject` should accept less than two arguments [[test](https://github.com/bestiejs/lodash/blob/v0.5.1/test/test.js#L1457-1459)]
 
 ## Optimized methods <sup>(50+)</sup>
 
@@ -262,6 +262,10 @@ require({
 
 ## Release Notes
 
+### <sup>v0.5.1</sup>
+
+ * Ensured `_.bind` correctly appends array arguments to partially applied arguments in older browsers
+
 ### <sup>v0.5.0</sup>
 
  * Added [_.countBy](http://lodash.com/docs#countBy), [_.drop](http://lodash.com/docs#drop), [_.merge](http://lodash.com/docs#merge), and [_.where](http://lodash.com/docs#where)
diff --git a/doc/README.md b/doc/README.md
index 7b84aea648..a082f6ebd0 100644
--- a/doc/README.md
+++ b/doc/README.md
@@ -1,4 +1,4 @@
-# Lo-Dash <sup>v0.5.0</sup>
+# Lo-Dash <sup>v0.5.1</sup>
 
 <!-- div -->
 
diff --git a/doc/parse.php b/doc/parse.php
index b059ce7e95..6407b48e17 100644
--- a/doc/parse.php
+++ b/doc/parse.php
@@ -21,7 +21,7 @@
   // generate Markdown
   $markdown = docdown(array(
     'path' => '../' . $file,
-    'title' => 'Lo-Dash <sup>v0.5.0</sup>',
+    'title' => 'Lo-Dash <sup>v0.5.1</sup>',
     'url'  => 'https://github.com/bestiejs/lodash/blob/master/lodash.js'
   ));
 
diff --git a/lodash.js b/lodash.js
index 5981229720..c8ec61c168 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1,5 +1,5 @@
 /*!
- * Lo-Dash v0.5.0 <http://lodash.com>
+ * Lo-Dash v0.5.1 <http://lodash.com>
  * Copyright 2012 John-David Dalton <http://allyoucanleet.com/>
  * Based on Underscore.js 1.3.3, copyright 2009-2012 Jeremy Ashkenas, DocumentCloud Inc.
  * <http://documentcloud.github.com/underscore>
@@ -3224,7 +3224,7 @@
       }
       if (partialArgs.length) {
         args = args.length
-          ? concat.apply(partialArgs, args)
+          ? partialArgs.concat(slice.call(args))
           : partialArgs;
       }
       if (this instanceof bound) {
@@ -4043,7 +4043,7 @@
    * @memberOf _
    * @type String
    */
-  lodash.VERSION = '0.5.0';
+  lodash.VERSION = '0.5.1';
 
   // assign static methods
   lodash.after = after;
diff --git a/lodash.min.js b/lodash.min.js
index 3684984074..0a7d4c0387 100644
--- a/lodash.min.js
+++ b/lodash.min.js
@@ -1,5 +1,5 @@
 /*!
- Lo-Dash 0.5.0 lodash.com/license
+ Lo-Dash 0.5.1 lodash.com/license
  Underscore.js 1.3.3 github.com/documentcloud/underscore/blob/master/LICENSE
 */
 ;(function(e,t){"use strict";function s(e){return new o(e)}function o(e){if(e&&e._wrapped)return e;this._wrapped=e}function u(e,t,n){t||(t=0);var r=e.length,i=r-t>=(n||30),s=i?{}:e;if(i)for(var o=t-1;++o<r;)n=e[o]+"",(ot.call(s,n)?s[n]:s[n]=[]).push(e[o]);return function(e){if(i){var n=e+"";return ot.call(s,n)&&-1<C(s[n],e)}return-1<C(s,e,t)}}function a(){for(var e,t,n,s=-1,o=arguments.length,u={e:"",f:"",j:"",q:"",c:{d:""},m:{d:""}};++s<o;)for(t in e=arguments[s],e)n=(n=e[t])==r?"":n,/d|i/.test(t
@@ -13,8 +13,8 @@ r&&(o.value=!(!q.isEqual&&!U.isEqual&&!z.isEqual));if(Ft[typeof e]||Ft[typeof t]
 ("function"!=typeof e.toString&&"string"==typeof (e+"")||"function"!=typeof t.toString&&"string"==typeof (t+""))))return i;s||(s=[]);for(u=s.length;u--;)if(s[u]==e)return n;var u=-1,f=n,l=0;s.push(e);if(a){l=e.length;if(f=l==t.length)for(;l--&&(f=S(e[l],t[l],s,o)););return f}a=e.constructor,f=t.constructor;if(a!=f&&(!w(a)||!(a instanceof a&&w(f)&&f instanceof f)))return i;for(var c in e)if(ot.call(e,c)&&(l++,!ot.call(t,c)||!S(e[c],t[c],s,o)))return i;for(c in t)if(ot.call(t,c)&&!(l--))return i;if(
 Nt)for(;7>++u;)if(c=nt[u],ot.call(e,c)&&(!ot.call(t,c)||!S(e[c],t[c],s,o)))return i;return n}function x(e,t,n,r){if(!e)return n;var i=e.length,s=3>arguments.length;r&&(t=d(t,r));if(-1<i&&i===i>>>0){var o=Ot&&lt.call(e)==St?e.split(""):e;for(i&&s&&(n=o[--i]);i--;)n=t(n,o[i],i,e);return n}o=rn(e);for((i=o.length)&&s&&(n=e[o[--i]]);i--;)s=o[i],n=t(n,e[s],s,e);return n}function T(e,t,n){if(e)return t==r||n?e[0]:ft.call(e,0,t)}function N(e,t){var n=[];if(!e)return n;for(var r,i=-1,s=e.length;++i<s;)r=
 e[i],Jt(r)?ut.apply(n,t?r:N(r)):n.push(r);return n}function C(e,t,n){if(!e)return-1;var r=-1,i=e.length;if(n){if("number"!=typeof n)return r=A(e,t),e[r]===t?r:-1;r=(0>n?Math.max(0,i+n):n)-1}for(;++r<i;)if(e[r]===t)return r;return-1}function k(e,t,n){var r=-Infinity,i=r;if(!e)return i;var s=-1,o=e.length;if(!t){for(;++s<o;)e[s]>i&&(i=e[s]);return i}for(n&&(t=d(t,n));++s<o;)n=t(e[s],s,e),n>r&&(r=n,i=e[s]);return i}function L(e,t,n){return e?ft.call(e,t==r||n?1:t):[]}function A(e,t,n,r){if(!e)return 0
-;var i=0,s=e.length;if(n){r&&(n=M(n,r));for(t=n(t);i<s;)r=i+s>>>1,n(e[r])<t?i=r+1:s=r}else for(;i<s;)r=i+s>>>1,e[r]<t?i=r+1:s=r;return i}function O(e,t,n,r){var s=[];if(!e)return s;var o=-1,u=e.length,a=[];"function"==typeof t&&(r=n,n=t,t=i);for(n?r&&(n=d(n,r)):n=_;++o<u;)if(r=n(e[o],o,e),t?!o||a[a.length-1]!==r:0>C(a,r))a.push(r),s.push(e[o]);return s}function M(e,t){function n(){var o=arguments,u=t;return i||(e=t[r]),s.length&&(o=o.length?st.apply(s,o):s),this instanceof n?(v.prototype=e.prototype
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+;var i=0,s=e.length;if(n){r&&(n=M(n,r));for(t=n(t);i<s;)r=i+s>>>1,n(e[r])<t?i=r+1:s=r}else for(;i<s;)r=i+s>>>1,e[r]<t?i=r+1:s=r;return i}function O(e,t,n,r){var s=[];if(!e)return s;var o=-1,u=e.length,a=[];"function"==typeof t&&(r=n,n=t,t=i);for(n?r&&(n=d(n,r)):n=_;++o<u;)if(r=n(e[o],o,e),t?!o||a[a.length-1]!==r:0>C(a,r))a.push(r),s.push(e[o]);return s}function M(e,t){function n(){var o=arguments,u=t;return i||(e=t[r]),s.length&&(o=o.length?s.concat(ft.call(o)):s),this instanceof n?(v.prototype=e
+.prototype,u=new v,(o=e.apply(u,o))&&Ft[typeof o]?o:u):e.apply(u,o)}var r,i=w(e);if(i){if(Dt||ct&&2<arguments.length)return ct.call.apply(ct,arguments)}else r=t,t=e;var s=ft.call(arguments,2);return n}function _(e){return e}function D(e){cn(tn(e),function(t){var r=s[t]=e[t];o.prototype[t]=function(){var e=[this._wrapped];return arguments.length&&ut.apply(e,arguments),e=r.apply(s,e),this._chain&&(e=new o(e),e._chain=n),e}})}var n=!0,r=null,i=!1,P,H,B,j,F="object"==typeof exports&&exports&&("object"==typeof 
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 ,tt=/['\n\r\t\u2028\u2029\\]/g,nt="constructor hasOwnProperty isPrototypeOf propertyIsEnumerable toLocaleString toString valueOf".split(" "),rt="__token__",it=[],st=I.concat,ot=R.hasOwnProperty,ut=I.push,at=R.propertyIsEnumerable,ft=I.slice,lt=R.toString,ct=Y.test(ct=ft.bind)&&ct,ht=Y.test(ht=Array.isArray)&&ht,pt=e.isFinite,dt=Y.test(dt=Object.keys)&&dt,vt="[object Arguments]",mt="[object Array]",gt="[object Boolean]",yt="[object Date]",bt="[object Number]",wt="[object Object]",Et="[object RegExp]"
 ,St="[object String]",xt=e.clearTimeout,Tt=e.setTimeout,Nt,Ct,kt=n;(function(){function e(){this.x=1}var t=[];e.prototype={valueOf:1,y:1};for(var n in new e)t.push(n);for(n in arguments)kt=!n;Nt=4>(t+"").length,Ct="x"!=t[0]})(1);var Lt=!b(arguments),At="x"!=ft.call("x")[0],Ot="xx"!="x"[0]+Object("x")[0];try{var Mt=("[object Object]",lt.call(e.document||0)==wt)}catch(_t){}var Dt=ct&&/\n|Opera/.test(ct+lt.call(e.opera)),Pt=dt&&/^.+$|true/.test(dt+!!e.attachEvent),Ht={"[object Arguments]":n,"[object Array]"
@@ -24,7 +24,7 @@ global&&global&&global==global.global&&(e=global),exports),I=Array.prototype,q=B
 zt.i}),Gt=a({r:i,a:"l",j:"{}",q:"var r=c.apply(E,arguments)",i:"if(N(r,g)<0)s[g]=y"}),Yt=a(zt),Zt=a(qt,Xt,Vt,{r:i}),en=a(qt,Xt,Vt),tn=a({r:i,a:"l",j:"[]",i:"if(T(y))s.push(g)",e:"s.sort()"}),nn=a({a:"y",j:"true",q:"var H=x.call(y),j=y.length;if(D[H]"+(Lt?"||P(y)":"")+"||(H==X&&j>-1&&j===j>>>0&&T(y.splice)))return!j",i:{l:"return false"}}),rn=dt?function(e){return"function"==typeof e&&at.call(e,"prototype")?Kt(e):dt(e)}:Kt,sn=a({a:"l",j:"[]",i:"s.push(y)"}),on=a({a:"b,hh",j:"false",o:i,d:{b:"if(x.call(h)==v)return b.indexOf(hh)>-1"
 },i:"if(y===hh)return true"}),un=a(qt,Rt),an=a(qt,Ut),fn=a(qt,Wt),ln=a(qt,Xt,{j:"",i:"if(a(y,g,b))return y"}),cn=a(qt,Xt),hn=a(qt,Rt,{i:"o=a(y,g,b);(e.call(s,o)?s[o]:s[o]=[]).push(y)"}),pn=a($t,{a:"b,V",q:"var A=u.call(arguments,2),S=typeof V=='function'",i:{b:"s[g]=(S?V:y[V]).apply(y,A)",l:"s"+(Pt?"[m]=":".push")+"((S?V:y[V]).apply(y,A))"}}),dn=a(qt,$t),vn=a(zt,{a:"l,ee,O,ff",q:"var J,L,Q,gg,dd=O==U;if(!dd)ff=[];for(var B=1,C=dd?2:arguments.length;B<C;B++){if(h=arguments[B]){",i:"if(y&&((Q=R(y))||U(y))){L=false;gg=ff.length;while(gg--)if(L=ff[gg].c==y)break;if(L){s[g]=ff[gg].d}else{J=(J=s[g])&&Q?(R(J)?J:[]):(U(J)?J:{});ff.push({d:J,c:y});s[g]=G(J,y,U,ff)}}else if(y!=null)s[g]=y"
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-,i:"for(Z=true,q=0;q<cc;q++){o=r[q];if(!(Z=y[o]===aa[o]))break}if(Z)s.push(y)"}),Sn=a({r:i,s:i,a:"l",j:"l",q:"var M=arguments,j=M.length;if(j>1){for(var g=1;g<j;g++)s[M[g]]=F(s[M[g]],s);return s}",i:"if(T(s[g]))s[g]=F(s[g],s)"});s.VERSION="0.5.0",s.after=function(e,t){return 1>e?t():function(){if(1>--e)return t.apply(this,arguments)}},s.bind=M,s.bindAll=Sn,s.chain=function(e){return e=new o(e),e._chain=n,e},s.clone=E,s.compact=function(e){var t=[];if(!e)return t;for(var n=-1,r=e.length;++n<r;)e[n
+,i:"for(Z=true,q=0;q<cc;q++){o=r[q];if(!(Z=y[o]===aa[o]))break}if(Z)s.push(y)"}),Sn=a({r:i,s:i,a:"l",j:"l",q:"var M=arguments,j=M.length;if(j>1){for(var g=1;g<j;g++)s[M[g]]=F(s[M[g]],s);return s}",i:"if(T(s[g]))s[g]=F(s[g],s)"});s.VERSION="0.5.1",s.after=function(e,t){return 1>e?t():function(){if(1>--e)return t.apply(this,arguments)}},s.bind=M,s.bindAll=Sn,s.chain=function(e){return e=new o(e),e._chain=n,e},s.clone=E,s.compact=function(e){var t=[];if(!e)return t;for(var n=-1,r=e.length;++n<r;)e[n
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diff --git a/package.json b/package.json
index db773b102c..49f864700d 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "lodash",
-  "version": "0.5.0",
+  "version": "0.5.1",
   "description": "A drop-in replacement for Underscore.js delivering performance, bug fixes, and additional features.",
   "homepage": "http://lodash.com",
   "main": "lodash",
diff --git a/test/test.js b/test/test.js
index 372895ae66..d28b41a32e 100644
--- a/test/test.js
+++ b/test/test.js
@@ -143,6 +143,14 @@
   QUnit.module('lodash.bind');
 
   (function() {
+    test('should correctly append array arguments to partially applied arguments (test in IE < 9)', function() {
+      var args,
+          bound = _.bind(function() { args = slice.call(arguments); }, null, 'a');
+
+      bound(['b'], 'c');
+      deepEqual(args, ['a', ['b'], 'c']);
+    });
+
     test('supports lazy bind', function() {
       var object = {
         'name': 'moe',
diff --git a/vendor/benchmark.js/README.md b/vendor/benchmark.js/README.md
index 603d1a336b..62a2d1ae3d 100644
--- a/vendor/benchmark.js/README.md
+++ b/vendor/benchmark.js/README.md
@@ -4,7 +4,7 @@ A [robust](http://calendar.perfplanet.com/2010/bulletproof-javascript-benchmarks
 
 ## Download
 
- * [Development source](https://raw.github.com/bestiejs/benchmark.js/1.0.0/benchmark.js)
+ * [Development source](https://raw.github.com/bestiejs/benchmark.js/v1.0.0/benchmark.js)
 
 ## Dive in