diff --git a/Cargo.lock b/Cargo.lock
index 2230352..bfcbb05 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7,10 +7,10 @@ dependencies = [
  "epoll 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "gcc 0.3.21 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "nix 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.3.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "signal 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.34 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -53,7 +53,7 @@ name = "docopt"
 version = "0.6.78"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "regex 0.1.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 0.1.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "strsim 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -63,13 +63,13 @@ name = "epoll"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "errno 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "errno 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "errno"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "kernel32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -116,7 +116,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "log"
-version = "0.3.4"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -146,7 +146,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "rand"
-version = "0.3.12"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "advapi32-sys 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -156,7 +156,7 @@ dependencies = [
 
 [[package]]
 name = "regex"
-version = "0.1.44"
+version = "0.1.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",