diff --git a/Cargo.lock b/Cargo.lock
index d5a07f9..5fcbf0b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -67,7 +67,7 @@ dependencies = [
  "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -217,7 +217,7 @@ dependencies = [
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -316,7 +316,7 @@ dependencies = [
  "percent-encoding 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -510,7 +510,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "publicsuffix 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "try_from 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -808,7 +808,7 @@ dependencies = [
  "ructe 0.9.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "structopt 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "vergen 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1095,7 +1095,7 @@ dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde-value 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_yaml 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread-id 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typemap 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1729,7 +1729,7 @@ dependencies = [
  "mime_guess 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1891,7 +1891,7 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.44"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2794,7 +2794,7 @@ dependencies = [
 "checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
 "checksum serde-value 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a65a7291a8a568adcae4c10a677ebcedbc6c9cec91c054dee2ce40b0e3290eb"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
-"checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7"
+"checksum serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)" = "15913895b61e0be854afd32fd4163fcd2a3df34142cf2cb961b310ce694cbf90"
 "checksum serde_urlencoded 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "642dd69105886af2efd227f75a520ec9b44a820d65bc133a9131f7d229fd165a"
 "checksum serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec5d77e2d4c73717816afac02670d5c4f534ea95ed430442cad02e7a6e32c97"
 "checksum serde_yaml 0.8.9 (registry+https://github.com/rust-lang/crates.io-index)" = "38b08a9a90e5260fe01c6480ec7c811606df6d3a660415808c3c3fa8ed95b582"
diff --git a/Cargo.toml b/Cargo.toml
index 1789793..1256500 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,7 +19,7 @@ openssl-probe = "0.1.2"
 reqwest = "0.9.22"
 serde = "1.0.104"
 serde_derive = "1.0.103"
-serde_json = "1.0.44"
+serde_json = "1.0.47"
 structopt = "0.3.9"
 
 [build-dependencies]