diff --git a/Cargo.lock b/Cargo.lock
index 93ce649c032..09b1d21f74e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1242,7 +1242,7 @@ dependencies = [
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1780,7 +1780,7 @@ dependencies = [
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinyfiledialogs 2.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.44.0 (git+https://github.com/servo/webrender)",
 ]
@@ -1816,7 +1816,7 @@ dependencies = [
  "servo_url 0.0.1",
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1838,7 +1838,7 @@ dependencies = [
  "serde 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_config 0.0.1",
  "servo_url 0.0.1",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.44.0 (git+https://github.com/servo/webrender)",
 ]
@@ -2072,6 +2072,11 @@ name = "peeking_take_while"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "percent-encoding"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "phf"
 version = "0.7.21"
@@ -2423,7 +2428,7 @@ dependencies = [
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinyfiledialogs 2.5.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-segmentation 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "utf-8 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.44.0 (git+https://github.com/servo/webrender)",
@@ -2500,7 +2505,7 @@ dependencies = [
  "servo_url 0.0.1",
  "style_traits 0.0.1",
  "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "webrender_traits 0.44.0 (git+https://github.com/servo/webrender)",
  "webvr_traits 0.0.1",
 ]
@@ -2692,7 +2697,7 @@ dependencies = [
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2727,7 +2732,7 @@ dependencies = [
  "serde 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_geometry 0.0.1",
  "servo_url 0.0.1",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "xdg 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2779,7 +2784,7 @@ dependencies = [
  "heapsize_derive 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "servo_rand 0.0.1",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "url_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3246,13 +3251,14 @@ dependencies = [
 
 [[package]]
 name = "url"
-version = "1.4.1"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "encoding 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "idna 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "matches 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "percent-encoding 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3261,7 +3267,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3347,7 +3353,7 @@ dependencies = [
  "script_traits 0.0.1",
  "servo_config 0.0.1",
  "servo_url 0.0.1",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "webdriver 0.22.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3436,7 +3442,7 @@ dependencies = [
  "rand 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3692,6 +3698,7 @@ dependencies = [
 "checksum parse-hosts 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7626e29ef8f479f10d9a753f1fca914506663ecc9ec2dedb8cffc610a3d1f705"
 "checksum pdqsort 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ceca1642c89148ca05611cc775a0c383abef355fc4907c4e95f49f7b09d6287c"
 "checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
+"checksum percent-encoding 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de154f638187706bde41d9b4738748933d64e6b37bdbffc0b47a97d16a6ae356"
 "checksum phf 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "cb325642290f28ee14d8c6201159949a872f220c62af6e110a56ea914fbe42fc"
 "checksum phf_codegen 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "d62594c0bb54c464f633175d502038177e90309daf2e0158be42ed5f023ce88f"
 "checksum phf_generator 0.7.21 (registry+https://github.com/rust-lang/crates.io-index)" = "6b07ffcc532ccc85e3afc45865469bf5d9e4ef5bfcf9622e3cfe80c2d275ec03"
@@ -3777,7 +3784,7 @@ dependencies = [
 "checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
 "checksum unicode-xid 0.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f860d7d29cf02cb2f3f359fd35991af3d30bac52c57d265a3c461074cb4dc"
 "checksum unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1f2ae5ddb18e1c92664717616dd9549dde73f539f01bd7b77c2edb2446bdff91"
-"checksum url 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3e2ba3456fbe5c0098cb877cf08b92b76c3e18e0be9e47c35b487220d377d24e"
+"checksum url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eeb819346883532a271eb626deb43c4a1bb4c4dd47c519bd78137c3e72a4fe27"
 "checksum url_serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "74e7d099f1ee52f823d4bdd60c93c3602043c728f5db3b97bdb548467f7bddea"
 "checksum user32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4ef4711d107b21b410a3a974b1204d9accc8b10dad75d8324b5d755de1617d47"
 "checksum utf-8 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b6f923c601c7ac48ef1d66f7d5b5b2d9a7ba9c51333ab75a3ddf8d0309185a56"