diff --git a/Cargo.lock b/Cargo.lock
index dd72cd26ff4..3186fa9fd09 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -501,14 +501,6 @@ dependencies = [
  "webvr_traits 0.0.1",
 ]
 
-[[package]]
-name = "cookie"
-version = "0.9.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "time 0.1.37 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "cookie"
 version = "0.10.1"
@@ -3517,11 +3509,10 @@ dependencies = [
 
 [[package]]
 name = "webdriver"
-version = "0.32.0"
+version = "0.33.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "cookie 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3550,7 +3541,7 @@ dependencies = [
  "servo_url 0.0.1",
  "url 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "webdriver 0.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webdriver 0.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3781,7 +3772,6 @@ dependencies = [
 "checksum cocoa 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac0d785ff4faf0ff23d7b5561346bb50dc7ef9a11cb0e65e07ef776b7752938f"
 "checksum color_quant 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a475fc4af42d83d28adf72968d9bcfaf035a1a9381642d8e85d8a04957767b0d"
 "checksum cookie 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "746858cae4eae40fff37e1998320068df317bc247dc91a67c6cfa053afdc2abb"
-"checksum cookie 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)" = "477eb650753e319be2ae77ec368a58c638f9f0c4d941c39bad95e950fb1d1d0d"
 "checksum core-foundation 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "8047f547cd6856d45b1cdd75ef8d2f21f3d0e4bf1dab0a0041b0ae9a5dda9c0e"
 "checksum core-foundation-sys 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "152195421a2e6497a8179195672e9d4ee8e45ed8c465b626f1606d27a08ebcd5"
 "checksum core-graphics 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "5dc0a78ab2ac23b6ea7b3fe5fe93b227900dc0956979735b8f68032417976dd4"
@@ -4014,7 +4004,7 @@ dependencies = [
 "checksum vec_map 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "887b5b631c2ad01628bbbaa7dd4c869f80d3186688f8d0b6f58774fbe324988c"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
 "checksum walkdir 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "bb08f9e670fab86099470b97cd2b252d6527f0b3cc1401acdb595ffc9dd288ff"
-"checksum webdriver 0.32.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b982fb5fe268cc124931035ca0c4b65d39e6d9c9fed319186b7d17493bf98984"
+"checksum webdriver 0.33.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6577005cf83a9df4ba39910f8baf3b835b5e4a0a5e9a0d71f3eceae6214ebf28"
 "checksum webrender 0.56.0 (git+https://github.com/servo/webrender)" = "<none>"
 "checksum webrender_api 0.56.0 (git+https://github.com/servo/webrender)" = "<none>"
 "checksum which 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4be6cfa54dab45266e98b5d7be2f8ce959ddd49abd141a05d52dce4b07f803bb"
diff --git a/components/webdriver_server/Cargo.toml b/components/webdriver_server/Cargo.toml
index 3bd5ee5b313..d8db4d96c12 100644
--- a/components/webdriver_server/Cargo.toml
+++ b/components/webdriver_server/Cargo.toml
@@ -26,4 +26,4 @@ servo_config = {path = "../config"}
 servo_url = {path = "../url"}
 url = "1.2"
 uuid = {version = "0.5", features = ["v4"]}
-webdriver = "0.32"
+webdriver = "0.33"
diff --git a/servo-tidy.toml b/servo-tidy.toml
index 9472c317df5..6f96592eafa 100644
--- a/servo-tidy.toml
+++ b/servo-tidy.toml
@@ -35,7 +35,6 @@ num = []
 # Ignored packages with duplicated versions
 packages = [
   "bitflags",
-  "cookie",
   "lazy_static",
   "mime",
   "semver",