diff --git a/pallets/aura-ext/Cargo.toml b/pallets/aura-ext/Cargo.toml
index 294d5a7e92..baee2cf400 100644
--- a/pallets/aura-ext/Cargo.toml
+++ b/pallets/aura-ext/Cargo.toml
@@ -19,7 +19,7 @@ sp-application-crypto = { git = "https://github.com/paritytech/substrate", defau
 # Other Dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"]}
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 [dev-dependencies]
 cumulus-pallet-parachain-system = { path = "../parachain-system" }
diff --git a/pallets/collator-selection/Cargo.toml b/pallets/collator-selection/Cargo.toml
index 7150905240..3daec9375f 100644
--- a/pallets/collator-selection/Cargo.toml
+++ b/pallets/collator-selection/Cargo.toml
@@ -17,7 +17,7 @@ log = { version = "0.4.0", default-features = false }
 codec = { default-features = false, features = ["derive"], package = "parity-scale-codec", version = "2.3.0" }
 rand = { version = "0.7.2", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.119", default-features = false }
+serde = { version = "1.0.131", default-features = false }
 
 sp-std = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-runtime = { default-features = false, git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/pallets/parachain-system/Cargo.toml b/pallets/parachain-system/Cargo.toml
index 56e6205140..b188970b72 100644
--- a/pallets/parachain-system/Cargo.toml
+++ b/pallets/parachain-system/Cargo.toml
@@ -32,7 +32,7 @@ sp-externalities = { git = "https://github.com/paritytech/substrate", default-fe
 # Other Dependencies
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"]}
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 log = { version = "0.4.14", default-features = false }
 environmental = { version = "1.1.2", default-features = false }
 
diff --git a/pallets/xcm/Cargo.toml b/pallets/xcm/Cargo.toml
index 095bcb3c48..ab2c4ed7ff 100644
--- a/pallets/xcm/Cargo.toml
+++ b/pallets/xcm/Cargo.toml
@@ -7,7 +7,7 @@ version = "0.1.0"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"] }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 sp-io = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/parachain-template/node/Cargo.toml b/parachain-template/node/Cargo.toml
index 661ed9d75d..4ee98d1f4c 100644
--- a/parachain-template/node/Cargo.toml
+++ b/parachain-template/node/Cargo.toml
@@ -28,7 +28,7 @@ derive_more = "0.99.2"
 log = "0.4.14"
 codec = { package = "parity-scale-codec", version = "2.0.0" }
 structopt = "0.3.8"
-serde = { version = "1.0.119", features = ["derive"] }
+serde = { version = "1.0.131", features = ["derive"] }
 hex-literal = "0.3.1"
 
 # RPC related Dependencies
diff --git a/parachain-template/pallets/template/Cargo.toml b/parachain-template/pallets/template/Cargo.toml
index aa67b725bb..9195d740dc 100644
--- a/parachain-template/pallets/template/Cargo.toml
+++ b/parachain-template/pallets/template/Cargo.toml
@@ -20,7 +20,7 @@ frame-support = { git = "https://github.com/paritytech/substrate", default-featu
 frame-system = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
 
 [dev-dependencies]
-serde = { version = "1.0.119" }
+serde = { version = "1.0.131" }
 sp-core = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
 sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
 sp-io = { git = "https://github.com/paritytech/substrate", default-features = false , branch = "master" }
diff --git a/parachain-template/runtime/Cargo.toml b/parachain-template/runtime/Cargo.toml
index beb9b87a75..ebf8c45b69 100644
--- a/parachain-template/runtime/Cargo.toml
+++ b/parachain-template/runtime/Cargo.toml
@@ -19,7 +19,7 @@ hex-literal = { version = "0.3.1", optional = true }
 codec = { package = "parity-scale-codec", version = "2.0.0", default-features = false, features = ["derive"]}
 log = { version = "0.4.14", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.119", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 smallvec = "1.6.1"
 
 # Local Dependencies
diff --git a/polkadot-parachains/Cargo.toml b/polkadot-parachains/Cargo.toml
index a42d99594f..0b45cd13af 100644
--- a/polkadot-parachains/Cargo.toml
+++ b/polkadot-parachains/Cargo.toml
@@ -14,7 +14,7 @@ futures = { version = "0.3.1", features = ["compat"] }
 log = "0.4.8"
 codec = { package = "parity-scale-codec", version = "2.3.0" }
 structopt = "0.3.3"
-serde = { version = "1.0.101", features = ["derive"] }
+serde = { version = "1.0.131", features = ["derive"] }
 hex-literal = "0.2.1"
 async-trait = "0.1.42"
 
diff --git a/polkadot-parachains/pallets/parachain-info/Cargo.toml b/polkadot-parachains/pallets/parachain-info/Cargo.toml
index 7ee0139a5b..ad6753d739 100644
--- a/polkadot-parachains/pallets/parachain-info/Cargo.toml
+++ b/polkadot-parachains/pallets/parachain-info/Cargo.toml
@@ -7,7 +7,7 @@ version = "0.1.0"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"] }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 frame-support = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 frame-system = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/polkadot-parachains/pallets/ping/Cargo.toml b/polkadot-parachains/pallets/ping/Cargo.toml
index fb183c2b71..4fd74ceaf9 100644
--- a/polkadot-parachains/pallets/ping/Cargo.toml
+++ b/polkadot-parachains/pallets/ping/Cargo.toml
@@ -7,7 +7,7 @@ version = "0.1.0"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"] }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
 sp-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/polkadot-parachains/rococo-parachain/Cargo.toml b/polkadot-parachains/rococo-parachain/Cargo.toml
index 322112f8a8..0e5e5504ce 100644
--- a/polkadot-parachains/rococo-parachain/Cargo.toml
+++ b/polkadot-parachains/rococo-parachain/Cargo.toml
@@ -10,7 +10,7 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 # Substrate dependencies
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/polkadot-parachains/seedling/Cargo.toml b/polkadot-parachains/seedling/Cargo.toml
index cbf672574d..832c1b5e37 100644
--- a/polkadot-parachains/seedling/Cargo.toml
+++ b/polkadot-parachains/seedling/Cargo.toml
@@ -9,7 +9,7 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 # Substrate dependencies
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/polkadot-parachains/shell/Cargo.toml b/polkadot-parachains/shell/Cargo.toml
index 80071086ab..f2aa525742 100644
--- a/polkadot-parachains/shell/Cargo.toml
+++ b/polkadot-parachains/shell/Cargo.toml
@@ -9,7 +9,7 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 # Substrate dependencies
 sp-std = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/polkadot-parachains/statemine/Cargo.toml b/polkadot-parachains/statemine/Cargo.toml
index 1983f61861..6b29d019c1 100644
--- a/polkadot-parachains/statemine/Cargo.toml
+++ b/polkadot-parachains/statemine/Cargo.toml
@@ -11,7 +11,7 @@ hex-literal = { version = "0.3.1", optional = true }
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 smallvec = "1.6.1"
 
 # Substrate dependencies
diff --git a/polkadot-parachains/statemint/Cargo.toml b/polkadot-parachains/statemint/Cargo.toml
index eddf78a20b..914751c321 100644
--- a/polkadot-parachains/statemint/Cargo.toml
+++ b/polkadot-parachains/statemint/Cargo.toml
@@ -10,7 +10,7 @@ codec = { package = "parity-scale-codec", version = "2.3.0", default-features =
 hex-literal = { version = "0.3.1", optional = true }
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
 smallvec = "1.6.1"
 
diff --git a/polkadot-parachains/westmint/Cargo.toml b/polkadot-parachains/westmint/Cargo.toml
index 3c405d7a84..ba23703450 100644
--- a/polkadot-parachains/westmint/Cargo.toml
+++ b/polkadot-parachains/westmint/Cargo.toml
@@ -11,7 +11,7 @@ hex-literal = { version = "0.3.1", optional = true }
 log = { version = "0.4.14", default-features = false }
 parachain-info = { path = "../pallets/parachain-info", default-features = false }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 smallvec = "1.6.1"
 
 # Substrate dependencies
diff --git a/test/runtime/Cargo.toml b/test/runtime/Cargo.toml
index 1b1b8f5de1..172d7d5ceb 100644
--- a/test/runtime/Cargo.toml
+++ b/test/runtime/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0", default-features = false, features = ["derive"] }
 scale-info = { version = "1.0.0", default-features = false, features = ["derive"] }
-serde = { version = "1.0.101", optional = true, features = ["derive"] }
+serde = { version = "1.0.131", optional = true, features = ["derive"] }
 
 # Substrate dependencies
 frame-executive = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "master" }
diff --git a/test/service/Cargo.toml b/test/service/Cargo.toml
index 978d02ecfa..ab1d846710 100644
--- a/test/service/Cargo.toml
+++ b/test/service/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 codec = { package = "parity-scale-codec", version = "2.3.0" }
 rand = "0.7.3"
-serde = { version = "1.0.101", features = ["derive"] }
+serde = { version = "1.0.131", features = ["derive"] }
 async-trait = "0.1.42"
 tokio = { version = "1.10", features = ["macros"] }