diff --git a/Cargo.lock b/Cargo.lock
index a12a5c35..1db52cf9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -92,17 +92,17 @@ dependencies = [
 
 [[package]]
 name = "clippy"
-version = "0.0.183"
+version = "0.0.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "clippy_lints 0.0.183 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy_lints 0.0.184 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "clippy_lints"
-version = "0.0.183"
+version = "0.0.184"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "if_chain 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -328,7 +328,7 @@ dependencies = [
  "bit-vec 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.29.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "clippy 0.0.183 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clippy 0.0.184 (registry+https://github.com/rust-lang/crates.io-index)",
  "crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "image 0.18.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -659,8 +659,8 @@ dependencies = [
 "checksum cargo_metadata 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "be1057b8462184f634c3a208ee35b0f935cfd94b694b26deadccd98732088d7b"
 "checksum cc 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "deaf9ec656256bb25b404c51ef50097207b9cbb29c933d31f92cae5a8a0ffee0"
 "checksum clap 2.29.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4151c5790817c7d21bbdc6c3530811f798172915f93258244948b93ba19604a6"
-"checksum clippy 0.0.183 (registry+https://github.com/rust-lang/crates.io-index)" = "a5e81310a5a578c454fb713d381b332d67be11d0e108e5846eaadd7044003026"
-"checksum clippy_lints 0.0.183 (registry+https://github.com/rust-lang/crates.io-index)" = "0f7b3f5649a03ab72703d07bc53f0d6935e3a9f24f31c84003f801752e4d2692"
+"checksum clippy 0.0.184 (registry+https://github.com/rust-lang/crates.io-index)" = "1e70c0ea9c5ad3eaab76ec3c4351d8d415c257093173416b0e2ed75e9be5cb74"
+"checksum clippy_lints 0.0.184 (registry+https://github.com/rust-lang/crates.io-index)" = "b86054e0d81947d1db08e5931521dbea49619079c5fad91583d710c854a0e994"
 "checksum coco 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c06169f5beb7e31c7c67ebf5540b8b472d23e3eade3b2ec7d1f5b504a85f91bd"
 "checksum crc 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bd5d02c0aac6bd68393ed69e00bbc2457f3e89075c6349db7189618dc4ddc1d7"
 "checksum deflate 0.7.17 (registry+https://github.com/rust-lang/crates.io-index)" = "4dddda59aaab719767ab11d3efd9a714e95b610c4445d4435765021e9d52dfb1"