diff --git a/Cargo.lock b/Cargo.lock
index 3af10a0ca..66657dcb9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -465,7 +465,7 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.6"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -486,7 +486,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -497,7 +497,7 @@ version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -950,7 +950,7 @@ dependencies = [
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "scoped-tls 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -975,7 +975,7 @@ dependencies = [
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-named-pipes 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1037,7 +1037,7 @@ dependencies = [
  "futures 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1064,7 +1064,7 @@ dependencies = [
  "iovec 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1251,7 +1251,7 @@ dependencies = [
 "checksum metadeps 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "829fffe7ea1d747e23f64be972991bc516b2f1ac2ae4a3b33d8bea150c410151"
 "checksum mime 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5c93a4bd787ddc6e7833c519b73a50883deb5863d76d9b71eb8216fb7f94e66"
 "checksum miniz-sys 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d1f4d337a01c32e1f2122510fed46393d53ca35a7f429cb0450abaedfa3ed54"
-"checksum mio 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f27d38f824a0d267d55b29b171e9e99269a53812e385fa75c1fe700ae254a6a4"
+"checksum mio 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)" = "6d19442734abd7d780b981c590c325680d933e99795fe1f693f0686c9ed48022"
 "checksum mio-named-pipes 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "82f43a815b57d2d652550f3d20cec88a495bb2d0956aa873dc43040278455677"
 "checksum mio-uds 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c6a39bf21f6bf5cb2f07513c1e3519291db579386c34f8d1dd3b4f8565b53db8"
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"