--- a/testing/geckodriver/Cargo.lock
+++ b/testing/geckodriver/Cargo.lock
@@ -12,17 +12,17 @@ dependencies = [
  "mozversion 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-atomic 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-stdlog 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-stream 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "webdriver 0.29.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webdriver 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "zip 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "advapi32-sys"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
@@ -637,17 +637,17 @@ source = "registry+https://github.com/ru
 
 [[package]]
 name = "void"
 version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "webdriver"
-version = "0.29.0"
+version = "0.30.0"
 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 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -765,13 +765,13 @@ dependencies = [
 "checksum unicode-segmentation 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "18127285758f0e2c6cf325bb3f3d138a12fee27de4f23e146cd6a179f26c2cf3"
 "checksum unicode-width 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "bf3a113775714a22dcb774d8ea3655c53a32debae63a063acc00a91cc586245f"
 "checksum unreachable 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1f2ae5ddb18e1c92664717616dd9549dde73f539f01bd7b77c2edb2446bdff91"
 "checksum url 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eeb819346883532a271eb626deb43c4a1bb4c4dd47c519bd78137c3e72a4fe27"
 "checksum utf8-ranges 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "662fab6525a98beff2921d7f61a39e7d59e0b425ebc7d0d9e66d316e55124122"
 "checksum uuid 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "78c590b5bd79ed10aad8fb75f078a59d8db445af6c743e55c4a53227fc01c13f"
 "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 webdriver 0.29.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3aa46482421441f1954f5df7443a66e5744e8de22a3d825262157b109dbdd535"
+"checksum webdriver 0.30.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b05f860c230757d0df161f6b2db8820ca636940689b29b148ea53bd8685feb84"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winreg 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e63857fb213f619b4c4fff86b158285c76766aac7e7474967e92fb6dbbfeefe9"
 "checksum zip 0.1.19 (registry+https://github.com/rust-lang/crates.io-index)" = "c0deac03fc7d43abcf19f2c2db6bd9289f9ea3d31f350e26eb0ed8b4117983c1"

--- a/testing/geckodriver/Cargo.toml
+++ b/testing/geckodriver/Cargo.toml
@@ -22,13 +22,13 @@ mozrunner = "0.4.2"
 mozversion = "0.1.2"
 regex = "0.2"
 rustc-serialize = "0.3"
 slog = "1"
 slog-atomic = "0.4"
 slog-stdlog = "1"
 slog-stream = "1"
 uuid = "0.1.18"
-webdriver = "0.29.0"
+webdriver = "0.30.0"
 zip = "0.1"
 
 [[bin]]
 name = "geckodriver"