diff --git a/bower.json b/bower.json
index 90c222c..f1e4e4a 100644
--- a/bower.json
+++ b/bower.json
@@ -22,7 +22,7 @@
   "dependencies": {
     "backbone": "~1.x"
   },
-  "version": "0.4.9",
+  "version": "0.4.10",
   "main": [
     "dist/backbone.iobind.js",
     "dist/backbone.iosync.js"
diff --git a/dist/backbone.iobind.js b/dist/backbone.iobind.js
index bb0694b..c4b9683 100644
--- a/dist/backbone.iobind.js
+++ b/dist/backbone.iobind.js
@@ -31,7 +31,7 @@
 /*!
  * Version
  */
-Backbone.Model.prototype.ioBindVersion = '0.4.8';
+Backbone.Model.prototype.ioBindVersion = '0.4.10';
 
 /**
  * # .ioBind(event, callback, [context])
@@ -178,7 +178,7 @@ Backbone.Model.prototype.ioUnbindAll = function (io) {
  * Version
  */
 
-Backbone.Collection.prototype.ioBindVersion = '0.4.8';
+Backbone.Collection.prototype.ioBindVersion = '0.4.10';
 
 /**
  * # ioBind
diff --git a/dist/backbone.iobind.min.js b/dist/backbone.iobind.min.js
index 1d187ec..6f3c3a9 100644
--- a/dist/backbone.iobind.min.js
+++ b/dist/backbone.iobind.min.js
@@ -5,4 +5,4 @@
  * https://github.com/logicalparadox/backbone.iobind
  */
 
-(function(a,b){if(typeof define=="function"&&define.amd)define(["backbone","underscore","socket.io","jquery"],b);else if(typeof exports=="object"){var c=require("underscore"),d=require("backbone"),e=require("socket.io-client"),f=require("jquery");module.exports=b(d,c,e,f)}else b(a.Backbone,a._,a.io,a.jQuery||a.Zepto||a.ender||a.$)})(this,function(a,b,c,d){return a.Model.prototype.ioBindVersion="0.4.8",a.Model.prototype.ioBind=function(c,d,e,f){var g=this._ioEvents||(this._ioEvents={}),h=b.result(this,"url")+":"+c,i=this;"function"==typeof d&&(f=e,e=d,d=this.socket||window.socket||a.socket);var j={name:c,global:h,cbLocal:e,cbGlobal:function(){var a=[c];a.push.apply(a,arguments),i.trigger.apply(i,a)}};return this.bind(j.name,j.cbLocal,f||i),d.on(j.global,j.cbGlobal),g[j.name]?g[j.name].push(j):g[j.name]=[j],this},a.Model.prototype.ioUnbind=function(c,d,e){var f=this._ioEvents||(this._ioEvents={}),g=this.url()+":"+c;"function"==typeof d&&(e=d,d=this.socket||window.socket||a.socket);var h=f[c];if(!b.isEmpty(h)){if(e&&"function"==typeof e){for(var i=0,j=h.length;i<j;i++)e==h[i].cbLocal&&(this.unbind(h[i].name,h[i].cbLocal),d.removeListener(h[i].global,h[i].cbGlobal),h[i]=!1);h=b.compact(h)}else this.unbind(c),d.removeAllListeners(g),d.$events&&delete d.$events[g];h.length===0&&delete f[c]}return this},a.Model.prototype.ioUnbindAll=function(b){var c=this._ioEvents||(this._ioEvents={});b||(b=this.socket||window.socket||a.socket);for(var d in c)this.ioUnbind(d,b);return this},a.Collection.prototype.ioBindVersion="0.4.8",a.Collection.prototype.ioBind=function(c,d,e,f){var g=this._ioEvents||(this._ioEvents={}),h=b.result(this,"url")+":"+c,i=this;"function"==typeof d&&(f=e,e=d,d=this.socket||window.socket||a.socket);var j={name:c,global:h,cbLocal:e,cbGlobal:function(){var a=[c];a.push.apply(a,arguments),i.trigger.apply(i,a)}};return this.bind(j.name,j.cbLocal,f),d.on(j.global,j.cbGlobal),g[j.name]?g[j.name].push(j):g[j.name]=[j],this},a.Collection.prototype.ioUnbind=function(c,d,e){var f=this._ioEvents||(this._ioEvents={}),g=this.url+":"+c;"function"==typeof d&&(e=d,d=this.socket||window.socket||a.socket);var h=f[c];if(!b.isEmpty(h)){if(e&&"function"==typeof e){for(var i=0,j=h.length;i<j;i++)e==h[i].cbLocal&&(this.unbind(h[i].name,h[i].cbLocal),d.removeListener(h[i].global,h[i].cbGlobal),h[i]=!1);h=b.compact(h)}else this.unbind(c),d.removeAllListeners(g),d.$events&&delete d.$events[g];h.length===0&&delete f[c]}return this},a.Collection.prototype.ioUnbindAll=function(b){var c=this._ioEvents||(this._ioEvents={});b||(b=this.socket||window.socket||a.socket);for(var d in c)this.ioUnbind(d,b);return this},a})
\ No newline at end of file
+(function(a,b){if(typeof define=="function"&&define.amd)define(["backbone","underscore","socket.io","jquery"],b);else if(typeof exports=="object"){var c=require("underscore"),d=require("backbone"),e=require("socket.io-client"),f=require("jquery");module.exports=b(d,c,e,f)}else b(a.Backbone,a._,a.io,a.jQuery||a.Zepto||a.ender||a.$)})(this,function(a,b,c,d){return a.Model.prototype.ioBindVersion="0.4.10",a.Model.prototype.ioBind=function(c,d,e,f){var g=this._ioEvents||(this._ioEvents={}),h=b.result(this,"url")+":"+c,i=this;"function"==typeof d&&(f=e,e=d,d=this.socket||window.socket||a.socket);var j={name:c,global:h,cbLocal:e,cbGlobal:function(){var a=[c];a.push.apply(a,arguments),i.trigger.apply(i,a)}};return this.bind(j.name,j.cbLocal,f||i),d.on(j.global,j.cbGlobal),g[j.name]?g[j.name].push(j):g[j.name]=[j],this},a.Model.prototype.ioUnbind=function(c,d,e){var f=this._ioEvents||(this._ioEvents={}),g=this.url()+":"+c;"function"==typeof d&&(e=d,d=this.socket||window.socket||a.socket);var h=f[c];if(!b.isEmpty(h)){if(e&&"function"==typeof e){for(var i=0,j=h.length;i<j;i++)e==h[i].cbLocal&&(this.unbind(h[i].name,h[i].cbLocal),d.removeListener(h[i].global,h[i].cbGlobal),h[i]=!1);h=b.compact(h)}else this.unbind(c),d.removeAllListeners(g),d.$events&&delete d.$events[g];h.length===0&&delete f[c]}return this},a.Model.prototype.ioUnbindAll=function(b){var c=this._ioEvents||(this._ioEvents={});b||(b=this.socket||window.socket||a.socket);for(var d in c)this.ioUnbind(d,b);return this},a.Collection.prototype.ioBindVersion="0.4.10",a.Collection.prototype.ioBind=function(c,d,e,f){var g=this._ioEvents||(this._ioEvents={}),h=b.result(this,"url")+":"+c,i=this;"function"==typeof d&&(f=e,e=d,d=this.socket||window.socket||a.socket);var j={name:c,global:h,cbLocal:e,cbGlobal:function(){var a=[c];a.push.apply(a,arguments),i.trigger.apply(i,a)}};return this.bind(j.name,j.cbLocal,f),d.on(j.global,j.cbGlobal),g[j.name]?g[j.name].push(j):g[j.name]=[j],this},a.Collection.prototype.ioUnbind=function(c,d,e){var f=this._ioEvents||(this._ioEvents={}),g=this.url+":"+c;"function"==typeof d&&(e=d,d=this.socket||window.socket||a.socket);var h=f[c];if(!b.isEmpty(h)){if(e&&"function"==typeof e){for(var i=0,j=h.length;i<j;i++)e==h[i].cbLocal&&(this.unbind(h[i].name,h[i].cbLocal),d.removeListener(h[i].global,h[i].cbGlobal),h[i]=!1);h=b.compact(h)}else this.unbind(c),d.removeAllListeners(g),d.$events&&delete d.$events[g];h.length===0&&delete f[c]}return this},a.Collection.prototype.ioUnbindAll=function(b){var c=this._ioEvents||(this._ioEvents={});b||(b=this.socket||window.socket||a.socket);for(var d in c)this.ioUnbind(d,b);return this},a})
\ No newline at end of file
diff --git a/dist/backbone.iosync.js b/dist/backbone.iosync.js
index 66cb574..42bc9f0 100644
--- a/dist/backbone.iosync.js
+++ b/dist/backbone.iosync.js
@@ -78,6 +78,13 @@ var socketSync = function (method, model, options) {
   //since Backbone version 1.0.0 all events are raised in methods 'fetch', 'save', 'remove' etc
 
   var defer = $.Deferred();
+  var timeout = params.timeout || $.ajaxSetup().timeout || false;
+  if (timeout) {
+    setTimeout(function () {
+      if (options.error) options.error('Sync operation timed out');
+      defer.reject();
+    }, timeout);
+  }
   io.emit(namespace + ':' + method, params.data, function (err, data) {
     if (err) {
       if(options.error) options.error(err);
diff --git a/dist/backbone.iosync.min.js b/dist/backbone.iosync.min.js
index 208cefb..3e32eff 100644
--- a/dist/backbone.iosync.min.js
+++ b/dist/backbone.iosync.min.js
@@ -5,4 +5,4 @@
  * https://github.com/logicalparadox/backbone.iobind
  */
 
-(function(a,b){if(typeof define=="function"&&define.amd)define(["backbone","underscore","socket.io","jquery"],b);else if(typeof exports=="object"){var c=require("underscore"),d=require("backbone"),e=require("socket.io-client"),f=require("jquery");module.exports=b(d,c,e,f)}else b(a.Backbone,a._,a.io,a.jQuery||a.Zepto||a.ender||a.$)})(this,function(a,b,c,d){var e=a.sync,f=function(c,e,f){var g=b.extend({},f);g.url?g.url=b.result(g,"url"):g.url=b.result(e,"url")||h();var i=g.url.split("/"),j=i[0]!==""?i[0]:i[1];!g.data&&e&&(g.data=g.attrs||e.toJSON(f)||{}),g.patch===!0&&g.data.id==null&&e&&(g.data.id=e.id);var k=e.socket||a.socket||window.socket,l=d.Deferred();k.emit(j+":"+c,g.data,function(a,b){a?(f.error&&f.error(a),l.reject()):(f.success&&f.success(b),l.resolve())});var m=l.promise();return e.trigger("request",e,m,f),m},g=function(a){return b.result(a.ajaxSync)?e:f};a.sync=function(a,b,c){return g(b).apply(this,[a,b,c])};var h=function(){throw new Error('A "url" property or function must be specified')};return a})
\ No newline at end of file
+(function(a,b){if(typeof define=="function"&&define.amd)define(["backbone","underscore","socket.io","jquery"],b);else if(typeof exports=="object"){var c=require("underscore"),d=require("backbone"),e=require("socket.io-client"),f=require("jquery");module.exports=b(d,c,e,f)}else b(a.Backbone,a._,a.io,a.jQuery||a.Zepto||a.ender||a.$)})(this,function(a,b,c,d){var e=a.sync,f=function(c,e,f){var g=b.extend({},f);g.url?g.url=b.result(g,"url"):g.url=b.result(e,"url")||h();var i=g.url.split("/"),j=i[0]!==""?i[0]:i[1];!g.data&&e&&(g.data=g.attrs||e.toJSON(f)||{}),g.patch===!0&&g.data.id==null&&e&&(g.data.id=e.id);var k=e.socket||a.socket||window.socket,l=d.Deferred(),m=g.timeout||d.ajaxSetup().timeout||!1;m&&setTimeout(function(){f.error&&f.error("Sync operation timed out"),l.reject()},m),k.emit(j+":"+c,g.data,function(a,b){a?(f.error&&f.error(a),l.reject()):(f.success&&f.success(b),l.resolve())});var n=l.promise();return e.trigger("request",e,n,f),n},g=function(a){return b.result(a.ajaxSync)?e:f};a.sync=function(a,b,c){return g(b).apply(this,[a,b,c])};var h=function(){throw new Error('A "url" property or function must be specified')};return a})
\ No newline at end of file
diff --git a/lib/sync.js b/lib/sync.js
index 330a402..7981910 100644
--- a/lib/sync.js
+++ b/lib/sync.js
@@ -54,6 +54,13 @@ var socketSync = function (method, model, options) {
   //since Backbone version 1.0.0 all events are raised in methods 'fetch', 'save', 'remove' etc
 
   var defer = $.Deferred();
+  var timeout = params.timeout || $.ajaxSetup().timeout || false;
+  if (timeout) {
+    setTimeout(function () {
+      if (options.error) options.error('Sync operation timed out');
+      defer.reject();
+    }, timeout);
+  }
   io.emit(namespace + ':' + method, params.data, function (err, data) {
     if (err) {
       if(options.error) options.error(err);
diff --git a/package.json b/package.json
index 639338b..6309098 100644
--- a/package.json
+++ b/package.json
@@ -2,7 +2,7 @@
   "author": "Jake Luer <@jakeluer>",
   "name": "backbone.iobind",
   "description": "Bind socket.io events to backbone models & collections.",
-  "version": "0.4.9",
+  "version": "0.4.10",
   "homepage": "https://noveogroup.github.io/backbone.iobind",
   "repository": {
     "type": "git",