diff --git a/Cargo.lock b/Cargo.lock
index 78b2a618f237c520547a8edae801a0ed96627798..bf31a1d92b7d9c3c5827a3fea1ba218a9e7c48e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2874,9 +2874,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.80"
+version = "1.0.81"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f972498cf015f7c0746cac89ebe1d6ef10c293b94175a243a2d9442c163d9944"
+checksum = "9b7ce2b32a1aed03c558dc61a5cd328f15aff2dbc17daad8fb8af04d2100e15c"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/Cargo.toml b/Cargo.toml
index c89662e1b982ce1a6b739a2d076b98c592f78adf..57f349893e857edc0ad9a6371bca80a63d29e525 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ blake2 = "0.10.4"
 contract-metadata = { version = "0.6.0", path = "./metadata" }
 semver = { version = "1.0.9", features = ["serde"] }
 serde = { version = "1.0.137", default-features = false, features = ["derive"] }
-serde_json = "1.0.80"
+serde_json = "1.0.81"
 tempfile = "3.3.0"
 url = { version = "2.2.2", features = ["serde"] }
 impl-serde = "0.3.2"
diff --git a/metadata/Cargo.toml b/metadata/Cargo.toml
index 952dae6769df782b8f73b6a71e7bd4ed8c72dac6..9bc8ea2bfb553dc13d1ced4be27e50d13c2056e6 100644
--- a/metadata/Cargo.toml
+++ b/metadata/Cargo.toml
@@ -20,7 +20,7 @@ path = "lib.rs"
 impl-serde = "0.3.2"
 semver = { version = "1.0.9", features = ["serde"] }
 serde = { version = "1.0.137", default-features = false, features = ["derive"] }
-serde_json = "1.0.80"
+serde_json = "1.0.81"
 url = { version = "2.2.2", features = ["serde"] }
 
 [dev-dependencies]