diff --git a/Cargo.lock b/Cargo.lock
index eda24333..e62b4a68 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -10450,18 +10450,18 @@ checksum = "f97841a747eef040fcd2e7b3b9a220a7205926e60488e673d9e4926d27772ce5"
 
 [[package]]
 name = "serde"
-version = "1.0.138"
+version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1578c6245786b9d168c5447eeacfb96856573ca56c9d68fdcf394be134882a47"
+checksum = "fc855a42c7967b7c369eb5860f7164ef1f6f81c20c7cc1141f2a604e18723b03"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.138"
+version = "1.0.140"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "023e9b1467aef8a10fb88f25611870ada9800ef7e22afce356bb0d2387b6f27c"
+checksum = "6f2122636b9fe3b81f1cb25099fcf2d3f542cdb1d45940d56c713158884a05da"
 dependencies = [
  "proc-macro2",
  "quote",
diff --git a/integration-tests/Cargo.toml b/integration-tests/Cargo.toml
index 1f85afdf..34e10923 100644
--- a/integration-tests/Cargo.toml
+++ b/integration-tests/Cargo.toml
@@ -17,7 +17,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = [
 	"derive",
 ] }
-serde = { version = "1.0.138", optional = true, features = ["derive"] }
+serde = { version = "1.0.140", optional = true, features = ["derive"] }
 
 frame-support = { branch = "polkadot-v0.9.24", default-features = false, git = "https://github.com/paritytech/substrate" }
 frame-system = { branch = "polkadot-v0.9.24", default-features = false, package = "frame-system", git = "https://github.com/paritytech/substrate" }
diff --git a/pallets/fees-split/Cargo.toml b/pallets/fees-split/Cargo.toml
index 3c43ae1c..bdfc5987 100644
--- a/pallets/fees-split/Cargo.toml
+++ b/pallets/fees-split/Cargo.toml
@@ -11,7 +11,7 @@ description = "FRAME pallet for runtime configuration"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
-serde = { version = "1.0.138", features = [ "derive" ], optional = true }
+serde = { version = "1.0.140", features = [ "derive" ], optional = true }
 
 frame-support = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
 frame-system = { default-features = false, package = "frame-system", git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.24" }
diff --git a/runtime/arctic/Cargo.toml b/runtime/arctic/Cargo.toml
index 2485739a..95e79d59 100644
--- a/runtime/arctic/Cargo.toml
+++ b/runtime/arctic/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.1.2", default-features = false, features = ["derive"] }
-serde = { version = "1.0.138", optional = true, features = ["derive"] }
+serde = { version = "1.0.140", optional = true, features = ["derive"] }
 scale-info = { version = "2.1.0", default-features = false, features = ["derive"] }
 smallvec = "1.9.0"
 static_assertions = "1.1.0"
diff --git a/runtime/frost/Cargo.toml b/runtime/frost/Cargo.toml
index a66aa360..5dd6f000 100644
--- a/runtime/frost/Cargo.toml
+++ b/runtime/frost/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.138", optional = true, features = ["derive"] }
+serde = { version = "1.0.140", optional = true, features = ["derive"] }
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
 smallvec = "1.9.0"
 static_assertions = "1.1.0"
diff --git a/runtime/snow/Cargo.toml b/runtime/snow/Cargo.toml
index 4984cfec..8d4166aa 100644
--- a/runtime/snow/Cargo.toml
+++ b/runtime/snow/Cargo.toml
@@ -15,7 +15,7 @@ targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
 codec = { package = "parity-scale-codec", version = "3.1.2", default-features = false, features = ["derive"] }
-serde = { version = "1.0.138", optional = true, features = ["derive"] }
+serde = { version = "1.0.140", optional = true, features = ["derive"] }
 scale-info = { version = "2.1.0", default-features = false, features = ["derive"] }
 smallvec = "1.9.0"
 static_assertions = "1.1.0"