diff --git a/Cargo.lock b/Cargo.lock
index 0b877019..520661c5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10238,18 +10238,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.136"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce31e24b01e1e524df96f1c2fdd054405f8d7376249a5110886fb4b658484789"
+checksum = "0171ebb889e45aa68b44aee0859b3eede84c6f5f5c228e6f140c0b2a0a46cad6"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.136"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08597e7152fcd306f41838ed3e37be9eaeed2b61c42e2117266a554fab4662f9"
+checksum = "dc1d3230c1de7932af58ad8ffbe1d784bd55efd5a9d84ac24f69c72d83543dfb"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/node/opportunity/Cargo.toml b/node/opportunity/Cargo.toml
index 54108180..cde6ff1f 100644
--- a/node/opportunity/Cargo.toml
+++ b/node/opportunity/Cargo.toml
@@ -34,7 +34,7 @@ clap = { version = "3.1.6", features = ["derive"] }
 rand = "0.7.2"
 structopt = "0.3.8"
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-serde = { version = "1.0.136", features = ["derive"] }
+serde = { version = "1.0.139", features = ["derive"] }
 serde_json = { version = "1.0" }
 futures = "0.3.4"
 
diff --git a/node/standard/Cargo.toml b/node/standard/Cargo.toml
index 093dcc20..29b19b1e 100644
--- a/node/standard/Cargo.toml
+++ b/node/standard/Cargo.toml
@@ -29,7 +29,7 @@ runtime-benchmarks = ["standard-runtime/runtime-benchmarks"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0" }
-serde = { version = "1.0.136", features = ["derive"] }
+serde = { version = "1.0.139", features = ["derive"] }
 serde_json = { version = "1.0" }
 clap = { version = "3.1.6", features = ["derive"] }
 hex-literal = "0.3.4"
diff --git a/pallets/asset-registry/Cargo.toml b/pallets/asset-registry/Cargo.toml
index e27aad9e..02298cf3 100644
--- a/pallets/asset-registry/Cargo.toml
+++ b/pallets/asset-registry/Cargo.toml
@@ -17,7 +17,7 @@ wasm-builder-runner = {package = "substrate-wasm-builder-runner", version = "1.0
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.1.2", default-features = false, features = ["derive"]}
 primitive-types = {default-features = false, version = "0.11.1" }
-serde = {features = ["derive"], optional = true, version = "1.0.136" }
+serde = {features = ["derive"], optional = true, version = "1.0.139" }
 primitives = {path = "../../primitives", default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 
diff --git a/pallets/chainbridge/Cargo.toml b/pallets/chainbridge/Cargo.toml
index 09a8c469..65c31acf 100644
--- a/pallets/chainbridge/Cargo.toml
+++ b/pallets/chainbridge/Cargo.toml
@@ -11,7 +11,7 @@ edition = "2021"
 [dependencies]
 # third-party dependencies
 codec = { package = "parity-scale-codec", version = "3.1.2", default-features = false, features = ["derive"] }
-serde = { version = "1.0.136", optional = true, default-features = false }
+serde = { version = "1.0.139", optional = true, default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 
 # primitives
diff --git a/pallets/market/Cargo.toml b/pallets/market/Cargo.toml
index a3342e52..b7650913 100644
--- a/pallets/market/Cargo.toml
+++ b/pallets/market/Cargo.toml
@@ -12,7 +12,7 @@ version = "4.0.0-dev"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-serde = { version = "1.0.136", optional = true }
+serde = { version = "1.0.139", optional = true }
 codec = { package = "parity-scale-codec", version = "3.1.2", features = ["derive"], default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 
diff --git a/pallets/oracle/Cargo.toml b/pallets/oracle/Cargo.toml
index abe67102..fd550ef2 100644
--- a/pallets/oracle/Cargo.toml
+++ b/pallets/oracle/Cargo.toml
@@ -12,7 +12,7 @@ version = "4.0.0-dev"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-serde = { version = "1.0.136", optional = true, features = ["derive"] }
+serde = { version = "1.0.139", optional = true, features = ["derive"] }
 codec = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"], default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 
diff --git a/pallets/vault/Cargo.toml b/pallets/vault/Cargo.toml
index 40091f74..c26d3a07 100644
--- a/pallets/vault/Cargo.toml
+++ b/pallets/vault/Cargo.toml
@@ -13,7 +13,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 
 [dependencies]
-serde = { version = "1.0.136", optional = true }
+serde = { version = "1.0.139", optional = true }
 codec = { package = "parity-scale-codec", version = "3.0.0", features = ["derive"], default-features = false }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 
diff --git a/runtime/opportunity/Cargo.toml b/runtime/opportunity/Cargo.toml
index 1c4c93e8..917139cc 100644
--- a/runtime/opportunity/Cargo.toml
+++ b/runtime/opportunity/Cargo.toml
@@ -16,7 +16,7 @@ substrate-wasm-builder = { version = "5.0.0-dev", git = "https://github.com/pari
 
 [dependencies]
 parity-scale-codec = { version = "3.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.136", optional = true, features = ["derive"] }
+serde = { version = "1.0.139", optional = true, features = ["derive"] }
 hex-literal = { version = "0.3.4", optional = true }
 smallvec = "1.8.0"
 static_assertions = "1.1.0"
diff --git a/runtime/standard/Cargo.toml b/runtime/standard/Cargo.toml
index 9b886bcf..c38caded 100644
--- a/runtime/standard/Cargo.toml
+++ b/runtime/standard/Cargo.toml
@@ -18,7 +18,7 @@ substrate-wasm-builder = { version = "5.0.0-dev", git = "https://github.com/pari
 hex-literal = { version = "0.3.4", optional = true }
 parity-scale-codec = { version = "3.0.0", default-features = false, features = ["derive"] }
 log = { version = "0.4.14", default-features = false }
-serde = { version = "1.0.136", optional = true, features = ["derive"] }
+serde = { version = "1.0.139", optional = true, features = ["derive"] }
 scale-info = { version = "2.1.1", default-features = false, features = ["derive"] }
 smallvec = "1.8.0"