diff --git a/Cargo.lock b/Cargo.lock
index 2a45492fd..2623896eb 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2936,9 +2936,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.86"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41feea4228a6f1cd09ec7a3593a682276702cd67b5273544757dae23c096f074"
+checksum = "6ce777b7b150d76b9cf60d28b55f5847135a003f7d7350c6be7a773508ce7d45"
 dependencies = [
  "itoa 1.0.2",
  "ryu",
diff --git a/crates/cargo-contract/Cargo.toml b/crates/cargo-contract/Cargo.toml
index 10f013b87..2fc118559 100644
--- a/crates/cargo-contract/Cargo.toml
+++ b/crates/cargo-contract/Cargo.toml
@@ -36,7 +36,7 @@ contract-metadata = { version = "2.0.0-alpha.4", path = "../metadata" }
 transcode = { package = "contract-transcode", version = "2.0.0-alpha.4", path = "../transcode" }
 semver = { version = "1.0.14", features = ["serde"] }
 serde = { version = "1.0.145", default-features = false, features = ["derive"] }
-serde_json = "1.0.86"
+serde_json = "1.0.87"
 tempfile = "3.3.0"
 url = { version = "2.3.1", features = ["serde"] }
 impl-serde = "0.4.0"
diff --git a/crates/metadata/Cargo.toml b/crates/metadata/Cargo.toml
index 4e6b9055e..6e321c7f6 100644
--- a/crates/metadata/Cargo.toml
+++ b/crates/metadata/Cargo.toml
@@ -17,7 +17,7 @@ include = ["Cargo.toml", "*.rs", "LICENSE"]
 impl-serde = "0.4.0"
 semver = { version = "1.0.14", features = ["serde"] }
 serde = { version = "1.0.145", default-features = false, features = ["derive"] }
-serde_json = "1.0.86"
+serde_json = "1.0.87"
 url = { version = "2.3.1", features = ["serde"] }
 
 [dev-dependencies]
diff --git a/crates/transcode/Cargo.toml b/crates/transcode/Cargo.toml
index 61679f82d..f9c0a3930 100644
--- a/crates/transcode/Cargo.toml
+++ b/crates/transcode/Cargo.toml
@@ -32,7 +32,7 @@ nom-supreme = { version = "0.7.0", features = ["error"] }
 scale = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"] }
 scale-info = { version = "2.2.0", default-features = false, features = ["derive"] }
 serde = { version = "1.0.145", default-features = false, features = ["derive"] }
-serde_json = "1.0.86"
+serde_json = "1.0.87"
 sp-core = "6.0.0"
 sp-runtime = "6.0.0"