diff --git a/Cargo.lock b/Cargo.lock
index df33387..af3b5ee 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -92,7 +92,7 @@ dependencies = [
  "pbr 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "snafu 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -486,7 +486,7 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.48"
+version = "1.0.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -685,7 +685,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 "checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
 "checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
-"checksum serde_json 1.0.48 (registry+https://github.com/rust-lang/crates.io-index)" = "9371ade75d4c2d6cb154141b9752cf3781ec9c05e0e5cf35060e1e70ee7b9c25"
+"checksum serde_json 1.0.51 (registry+https://github.com/rust-lang/crates.io-index)" = "da07b57ee2623368351e9a0488bb0b261322a15a6e0ae53e243cbdc0f4208da9"
 "checksum snafu 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d0bf93d08d6a44363b47d737f1f5bebbf5e6a1eaaa3d4c128ceeaca6b718292"
 "checksum snafu-derive 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "624e94bd38e471f67883b467711e7a7ad7dbe284f5fb7e661dc8a671fc5b26a0"
 "checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"