diff --git a/Cargo.lock b/Cargo.lock
index 7e92a5822..e7817c45b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -211,7 +211,7 @@ dependencies = [
  "rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinytemplate 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -613,7 +613,7 @@ dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.0-alpha.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -684,7 +684,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -708,7 +708,7 @@ dependencies = [
  "phf_codegen 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "string_cache_codegen 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tendril 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1377,7 +1377,7 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.41"
+version = "1.0.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1578,7 +1578,7 @@ dependencies = [
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "stderrlog 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1633,7 +1633,7 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2138,7 +2138,7 @@ dependencies = [
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "1217f97ab8e8904b57dd22eb61cde455fa7446a9c1cf43966066da047c1f3702"
 "checksum serde_derive 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "a8c6faef9a2e64b0064f48570289b4bf8823b7581f1d6157c1b52152306651d0"
-"checksum serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)" = "2f72eb2a68a7dc3f9a691bfda9305a1c017a6215e5a4545c258500d2099a37c2"
+"checksum serde_json 1.0.42 (registry+https://github.com/rust-lang/crates.io-index)" = "1a3351dcbc1f067e2c92ab7c3c1f288ad1a4cffc470b5aaddb4c2e0a3ae80043"
 "checksum serde_repr 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "cd02c7587ec314570041b2754829f84d873ced14a96d1fd1823531e11db40573"
 "checksum signal-hook-registry 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1797d48f38f91643908bb14e35e79928f9f4b3cefb2420a564dde0991b4358dc"
 "checksum siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
diff --git a/Cargo.toml b/Cargo.toml
index 626a7deb5..f4ca6de77 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,7 +36,7 @@ path-clean = "0.1.0"
 petgraph = "0.4.13"
 regex = "1.3.1"
 serde = { version = "1.0.103", features = ["derive", "rc"] }
-serde_json = "1.0.41"
+serde_json = "1.0.42"
 serde_repr = "0.1"
 stderrlog = "0.4.1"
 tempfile = "3"