diff --git a/Cargo.lock b/Cargo.lock
index 6619c5156..049e079e6 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -734,7 +734,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hex-literal"
-version = "0.1.2"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1948,7 +1948,7 @@ dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2945,7 +2945,7 @@ dependencies = [
 "checksum h2 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "30e0b8e55b4d7ffedade2b9605851f8e85f5010663e7ad170ef3c0f0681bc43f"
 "checksum hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3bae29b6653b3412c2e71e9d486db9f9df5d701941d86683005efb9f2d28e3da"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
-"checksum hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ae0e5c30fb65e661a0e39860e37100dfbe4d39aff865e9357a6a4ed0b5bbf303"
+"checksum hex-literal 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "27455ce8b4a6666c87220e4b59c9a83995476bdadc10197905e61dbe906e36fa"
 "checksum hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1d340b6514f232f6db1bd16db65302a5278a04fef9ce867cb932e7e5fa21130a"
 "checksum http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "1a10e5b573b9a0146545010f50772b9e8b1dd0a256564cc4307694c68832a2f5"
 "checksum httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e8734b0cfd3bc3e101ec59100e101c2eecd19282202e87808b3037b442777a83"
diff --git a/Cargo.toml b/Cargo.toml
index b5ebd5ffa..f2031b0ac 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -59,7 +59,7 @@ tokio-codec = "0.1"
 untrusted = "0.6.2"
 
 [dev-dependencies]
-hex-literal = "0.1.2"
+hex-literal = "0.1.3"
 matches = "0.1.6"
 
 [[bench]]