diff --git a/servo/Cargo.lock b/servo/Cargo.lock
index 126715323a8e..bebbfcb1495e 100644
--- a/servo/Cargo.lock
+++ b/servo/Cargo.lock
@@ -569,7 +569,7 @@ name = "debugger"
 version = "0.0.1"
 dependencies = [
  "log 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "ws 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ws 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3272,7 +3272,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "ws"
-version = "0.5.4"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3602,7 +3602,7 @@ dependencies = [
 "checksum websocket 0.17.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4a1a6ea5ed0367f32eb3d94dcc58859ef4294b5f75ba983dbf56ac314af45d"
 "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 ws 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "97d37277cc93aa9f313a6e2363576988714f0e7f147179bb8f272ceb3e4a83b1"
+"checksum ws 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "04614a58714f3fd4a8b1da4bcae9f031c532d35988c3d39627619248113f8be8"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum x11 2.12.1 (registry+https://github.com/rust-lang/crates.io-index)" = "124eb405bf0262a54e1a982d4ffe4cd1c24261bdb306e49996e2ce7d492284a8"
 "checksum x11-dl 2.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bf1f9986368c9bbdd8191a783a7ceb42e0c9c6d3348616c873f829b3288a139c"
diff --git a/servo/components/debugger/Cargo.toml b/servo/components/debugger/Cargo.toml
index b9385d80e1e1..20f5779b2747 100644
--- a/servo/components/debugger/Cargo.toml
+++ b/servo/components/debugger/Cargo.toml
@@ -14,4 +14,4 @@ crate_type = ["rlib"]
 log = "0.3.5"
 
 [target.'cfg(not(target_os = "android"))'.dependencies]
-ws = "0.5.3"
+ws = "0.6"