diff --git a/Cargo.lock b/Cargo.lock
index 86c9b84..a11027f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -178,7 +178,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.2.0"
+version = "2.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -293,7 +293,7 @@ dependencies = [
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pear 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocket_codegen 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -537,7 +537,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-"checksum memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2efc7bc57c883d4a4d6e3246905283d8dae951bb3bd32f49d6ef297f546e1c39"
+"checksum memchr 2.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3728d817d99e5ac407411fa471ff9800a778d88a24685968b36824eaf4bee400"
 "checksum mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
 "checksum mocktopus 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "c3ddc2275f8c1c95c016bd7fa23b2debcc6e2f24f05cbbfa250e67ea32428ad5"
 "checksum mocktopus_macros 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "d9be31cccc790eef5b59040292fed7487beb999e8ab373cebdd31dea20adc3e3"