Fix url handling with space (#1269)

diff --git a/package-lock.json b/package-lock.json
index 8e0dcc3..c84a0a4 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "fauxton",
-  "version": "1.2.2",
+  "version": "1.2.3",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
@@ -2899,17 +2899,17 @@
       }
     },
     "backbone": {
-      "version": "1.3.3",
-      "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.3.3.tgz",
-      "integrity": "sha1-TMgOp8sWMaxHSInOQPL4vGg7KZk=",
+      "version": "1.4.0",
+      "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.4.0.tgz",
+      "integrity": "sha512-RLmDrRXkVdouTg38jcgHhyQ/2zjg7a8E6sz2zxfz21Hh17xDJYUHBZimVIt5fUyS8vbfpeSmTL3gUjTEvUV3qQ==",
       "requires": {
         "underscore": ">=1.8.3"
       },
       "dependencies": {
         "underscore": {
-          "version": "1.8.3",
-          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
-          "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
+          "version": "1.10.2",
+          "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.10.2.tgz",
+          "integrity": "sha512-N4P+Q/BuyuEKFJ43B9gYuOj4TQUHXX+j2FqguVOpjkssLUUrnJofCcBccJSCoeturDoZU6GorDTHSvUDlSQbTg=="
         }
       }
     },
diff --git a/package.json b/package.json
index 761b149..ae251cf 100644
--- a/package.json
+++ b/package.json
@@ -40,7 +40,7 @@
     "babel-eslint": "^9.0.0",
     "babel-loader": "^8.0.6",
     "babel-plugin-array-includes": "^2.0.3",
-    "backbone": "^1.1.0",
+    "backbone": "^1.4.0",
     "base-64": "^0.1.0",
     "bluebird": "^3.4.6",
     "brace": "^0.11.0",