diff --git a/.travis.yml b/.travis.yml
index c8e76d5a8..b9d6964b6 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,5 +3,5 @@ node_js:
   - 0.6
   - 0.8
 before_script:
-  - "curl -H 'Accept: application/vnd.github.v3.raw' https://api.github.com/repos/bestiejs/lodash/git/blobs/aa29a2ecf6f51d4da5a2a418c0d4ea0e368ee80d | tar xvz -C vendor"
-  - "curl -H 'Accept: application/vnd.github.v3.raw' https://api.github.com/repos/bestiejs/lodash/git/blobs/9869c4443fb22598235d1019fcc8245be41e8889 | tar xvz -C vendor"
+  - "curl -H 'Accept: application/vnd.github.v3.raw' https://api.github.com/repos/bestiejs/lodash/git/blobs/a2787b470c577cee2404d186c562dd9835f779f5 | tar xvz -C vendor"
+  - "curl -H 'Accept: application/vnd.github.v3.raw' https://api.github.com/repos/bestiejs/lodash/git/blobs/3390b259e04829538e4d3635d12b317dd6103eca | tar xvz -C vendor"
diff --git a/build/post-install.js b/build/post-install.js
index 7b995b206..28f008b01 100644
--- a/build/post-install.js
+++ b/build/post-install.js
@@ -1,5 +1,5 @@
 #!/usr/bin/env node
-;(function () {
+;(function() {
   'use strict';
 
   /** Load Node modules */
@@ -17,10 +17,10 @@
   var vendorPath = path.join(basePath, 'vendor');
 
   /** The Git object ID of `closure-compiler.tar.gz` */
-  var closureId = 'aa29a2ecf6f51d4da5a2a418c0d4ea0e368ee80d';
+  var closureId = 'a2787b470c577cee2404d186c562dd9835f779f5';
 
   /** The Git object ID of `uglifyjs.tar.gz` */
-  var uglifyId = '9869c4443fb22598235d1019fcc8245be41e8889';
+  var uglifyId = '3390b259e04829538e4d3635d12b317dd6103eca';
 
   /** The media type for raw blob data */
   var mediaType = 'application/vnd.github.v3.raw';
diff --git a/test/test-build.js b/test/test-build.js
index c60c770da..8fb370697 100644
--- a/test/test-build.js
+++ b/test/test-build.js
@@ -561,7 +561,7 @@
       });
     });
 
-    asyncTest('debug custom', function () {
+    asyncTest('debug custom', function() {
       var start = _.once(QUnit.start);
       build(['-d', '-s', 'backbone'], function(source, filePath) {
         equal(path.basename(filePath, '.js'), 'lodash.custom');
@@ -577,7 +577,7 @@
       });
     });
 
-    asyncTest('minified custom', function () {
+    asyncTest('minified custom', function() {
       var start = _.once(QUnit.start);
       build(['-m', '-s', 'backbone'], function(source, filePath) {
         equal(path.basename(filePath, '.js'), 'lodash.custom.min');
diff --git a/vendor/backbone/backbone.js b/vendor/backbone/backbone.js
index d1ce4f538..50deb5922 100644
--- a/vendor/backbone/backbone.js
+++ b/vendor/backbone/backbone.js
@@ -988,8 +988,8 @@
     }
   };
 
-  // Cached regex for cleaning leading hashes and slashes.
-  var routeStripper = /^[#\/]|\s+$/;
+  // Cached regex for stripping a leading hash/slash and trailing space.
+  var routeStripper = /^[#\/]|\s+$/g;
 
   // Cached regex for stripping leading and trailing slashes.
   var rootStripper = /^\/+|\/+$/g;
diff --git a/vendor/backbone/test/router.js b/vendor/backbone/test/router.js
index 32d4ff4c3..f9327fcc3 100644
--- a/vendor/backbone/test/router.js
+++ b/vendor/backbone/test/router.js
@@ -497,4 +497,9 @@ $(document).ready(function() {
     strictEqual(history.getFragment('fragment   '), 'fragment');
   });
 
+  test("#1820 - Leading slash and trailing space.", 1, function() {
+    var history = new Backbone.History;
+    strictEqual(history.getFragment('/fragment '), 'fragment');
+  });
+
 });