diff --git a/Cargo.lock b/Cargo.lock
index 28ecc43b0..e070e3ba7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -996,9 +996,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.50"
+version = "1.0.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78a7a12c167809363ec3bd7329fc0a3369056996de43c4b37ef3cd54a6ce4867"
+checksum = "da07b57ee2623368351e9a0488bb0b261322a15a6e0ae53e243cbdc0f4208da9"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/net_util/Cargo.toml b/net_util/Cargo.toml
index 48375d426..22de4218c 100644
--- a/net_util/Cargo.toml
+++ b/net_util/Cargo.toml
@@ -14,4 +14,4 @@ net_gen = { path = "../net_gen" }
 [dev-dependencies]
 lazy_static = "1.3.0"
 pnet = "0.25.0"
-serde_json = "1.0.50"
+serde_json = "1.0.51"