diff --git a/cumulus/pallets/aura-ext/Cargo.toml b/cumulus/pallets/aura-ext/Cargo.toml
index 294d5a7e927973fe66f734dff415bc1258adebf1..baee2cf4002204d278764b177f3582ac92f182c4 100644
--- a/cumulus/pallets/aura-ext/Cargo.toml
+++ b/cumulus/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/cumulus/pallets/collator-selection/Cargo.toml b/cumulus/pallets/collator-selection/Cargo.toml
index 7150905240c30d68366dda869872fc92d19d85c4..3daec9375f50a9e15fe566715059478d5a327c52 100644
--- a/cumulus/pallets/collator-selection/Cargo.toml
+++ b/cumulus/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/cumulus/pallets/parachain-system/Cargo.toml b/cumulus/pallets/parachain-system/Cargo.toml
index 56e62051402ec413909a19b417fdc0ce19b894b7..b188970b7282647f9bd05d74ed22add75926ddb9 100644
--- a/cumulus/pallets/parachain-system/Cargo.toml
+++ b/cumulus/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/cumulus/pallets/xcm/Cargo.toml b/cumulus/pallets/xcm/Cargo.toml
index 095bcb3c487e078029e82dba22c24e11c10f6c97..ab2c4ed7ffd2b7316dbd8ef21d9af99d8ece6b3b 100644
--- a/cumulus/pallets/xcm/Cargo.toml
+++ b/cumulus/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/cumulus/parachain-template/node/Cargo.toml b/cumulus/parachain-template/node/Cargo.toml
index 661ed9d75d766a0b7104393d101a2384eb2384ea..4ee98d1f4c10c704d55c77e82145cbbbcc751dc4 100644
--- a/cumulus/parachain-template/node/Cargo.toml
+++ b/cumulus/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/cumulus/parachain-template/pallets/template/Cargo.toml b/cumulus/parachain-template/pallets/template/Cargo.toml
index aa67b725bbd4669df064d6b2da430deeb9d1c01d..9195d740dc4893368ce2fca52925c6e8a0b47a9e 100644
--- a/cumulus/parachain-template/pallets/template/Cargo.toml
+++ b/cumulus/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/cumulus/parachain-template/runtime/Cargo.toml b/cumulus/parachain-template/runtime/Cargo.toml
index beb9b87a75e909ea1207989c58f3f1fb8d28c4c4..ebf8c45b69580110789721480c8de45417fba7b8 100644
--- a/cumulus/parachain-template/runtime/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/Cargo.toml b/cumulus/polkadot-parachains/Cargo.toml
index a42d99594f0a366c5f08dd9957271b4b502e19e8..0b45cd13afed7f44064149ed8969db02c3a50d1a 100644
--- a/cumulus/polkadot-parachains/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/pallets/parachain-info/Cargo.toml b/cumulus/polkadot-parachains/pallets/parachain-info/Cargo.toml
index 7ee0139a5b07406567bf2abfd9c0469be3151555..ad6753d739f3ef0fa4e25a87b5c8fdc4f458dada 100644
--- a/cumulus/polkadot-parachains/pallets/parachain-info/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/pallets/ping/Cargo.toml b/cumulus/polkadot-parachains/pallets/ping/Cargo.toml
index fb183c2b714a23667a018b786d6011586bee7585..4fd74ceaf9c1c3bdf6f1f2ff78e6b3e3d53631e5 100644
--- a/cumulus/polkadot-parachains/pallets/ping/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/rococo-parachain/Cargo.toml b/cumulus/polkadot-parachains/rococo-parachain/Cargo.toml
index 322112f8a8341349533cdcb946bb7fbdf5b3a369..0e5e5504ce1e39e7073073eae89b8baae48c2b27 100644
--- a/cumulus/polkadot-parachains/rococo-parachain/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/seedling/Cargo.toml b/cumulus/polkadot-parachains/seedling/Cargo.toml
index cbf672574d313a8d3be6fc954392a0fc42eb79f6..832c1b5e3729d6211ba3cadbc4e1ebc1457e7e07 100644
--- a/cumulus/polkadot-parachains/seedling/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/shell/Cargo.toml b/cumulus/polkadot-parachains/shell/Cargo.toml
index 80071086ab9050a9f5d1107b60a666b8e3e6283f..f2aa5257423f834a2b6cab1fc7811dd734753650 100644
--- a/cumulus/polkadot-parachains/shell/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/statemine/Cargo.toml b/cumulus/polkadot-parachains/statemine/Cargo.toml
index 1983f618610ee8d379c8b14a66c2d0517e750105..6b29d019c1d1c0f5bdcdf7e7f56d96af5fe6e211 100644
--- a/cumulus/polkadot-parachains/statemine/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/statemint/Cargo.toml b/cumulus/polkadot-parachains/statemint/Cargo.toml
index eddf78a20b5134aa41fa74e7b286691851d8215a..914751c321673f79518e76a3419e95f5bd3b9209 100644
--- a/cumulus/polkadot-parachains/statemint/Cargo.toml
+++ b/cumulus/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/cumulus/polkadot-parachains/westmint/Cargo.toml b/cumulus/polkadot-parachains/westmint/Cargo.toml
index 3c405d7a8419de54a3b8e3d41d1835f445077641..ba23703450c26f81ca65ec1cbb203ed11b4aafa8 100644
--- a/cumulus/polkadot-parachains/westmint/Cargo.toml
+++ b/cumulus/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/cumulus/test/runtime/Cargo.toml b/cumulus/test/runtime/Cargo.toml
index 1b1b8f5de1908fa41a234d7d8d60c40937d6e57b..172d7d5cebce8d247103e4b0629111bac531d7ec 100644
--- a/cumulus/test/runtime/Cargo.toml
+++ b/cumulus/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/cumulus/test/service/Cargo.toml b/cumulus/test/service/Cargo.toml
index 978d02ecfab37b8f7717e41c2c549fefe67246a7..ab1d846710d01ab869c721fcccec4261192f52b6 100644
--- a/cumulus/test/service/Cargo.toml
+++ b/cumulus/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"] }