diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 15341b99c3ae41c082c49d7c97aa302eff205cb4..f7c9e81577a694ef6764b03f8eaec1114283f315 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -5914,9 +5914,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec"
-version = "3.1.2"
+version = "3.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8b44461635bbb1a0300f100a841e571e7d919c81c73075ef5d152ffdb521066"
+checksum = "9182e4a71cae089267ab03e67c99368db7cd877baf50f931e5d6d4b71e195ac0"
 dependencies = [
  "arrayvec 0.7.2",
  "bitvec",
@@ -5928,9 +5928,9 @@ dependencies = [
 
 [[package]]
 name = "parity-scale-codec-derive"
-version = "3.1.2"
+version = "3.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c45ed1f39709f5a89338fab50e59816b2e8815f5bb58276e7ddf9afd495f73f8"
+checksum = "9299338969a3d2f491d65f140b00ddec470858402f888af98e8642fb5e8965cd"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2",
diff --git a/polkadot/core-primitives/Cargo.toml b/polkadot/core-primitives/Cargo.toml
index 901591d52f467bcac6b62efbb1f4871f0193f241..34025702f3599c4662e1765546fa39240ba1321a 100644
--- a/polkadot/core-primitives/Cargo.toml
+++ b/polkadot/core-primitives/Cargo.toml
@@ -9,7 +9,7 @@ sp-core = { git = "https://github.com/paritytech/substrate", branch = "master",
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = [ "derive" ] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = [ "derive" ] }
 parity-util-mem = { version = "0.11.0", default-features = false, optional = true }
 
 [features]
diff --git a/polkadot/erasure-coding/Cargo.toml b/polkadot/erasure-coding/Cargo.toml
index 9ca5efd63ad6ef4c72d18a2ea5cf63f19985b8be..f3c71b550932208659a60f90b018d9d692ac1b74 100644
--- a/polkadot/erasure-coding/Cargo.toml
+++ b/polkadot/erasure-coding/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 polkadot-primitives = { path = "../primitives" }
 polkadot-node-primitives = { package = "polkadot-node-primitives", path = "../node/primitives" }
 novelpoly = { package = "reed-solomon-novelpoly", version = "1.0.0" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["std", "derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["std", "derive"] }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 trie = { package = "sp-trie", git = "https://github.com/paritytech/substrate", branch = "master" }
 thiserror = "1.0.31"
diff --git a/polkadot/node/collation-generation/Cargo.toml b/polkadot/node/collation-generation/Cargo.toml
index f817b8b020ecb29d5b60df228a9930c2ce628216..76d7b9756a791f8e50324ef787209aac7fcbea73 100644
--- a/polkadot/node/collation-generation/Cargo.toml
+++ b/polkadot/node/collation-generation/Cargo.toml
@@ -15,7 +15,7 @@ polkadot-primitives = { path = "../../primitives" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-maybe-compressed-blob  = { git = "https://github.com/paritytech/substrate", branch = "master" }
 thiserror = "1.0.31"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["bit-vec", "derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["bit-vec", "derive"] }
 
 [dev-dependencies]
 polkadot-node-subsystem-test-helpers = { path = "../subsystem-test-helpers" }
diff --git a/polkadot/node/core/approval-voting/Cargo.toml b/polkadot/node/core/approval-voting/Cargo.toml
index a436f51c6f5ed70fc0bcacec7a15ba94cb31d39f..ef41e288f078512b7cae0a6e269acf9a705f1472 100644
--- a/polkadot/node/core/approval-voting/Cargo.toml
+++ b/polkadot/node/core/approval-voting/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 futures = "0.3.21"
 futures-timer = "3.0.2"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["bit-vec", "derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["bit-vec", "derive"] }
 gum = { package = "tracing-gum", path = "../../gum" }
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
 lru = "0.7"
diff --git a/polkadot/node/core/av-store/Cargo.toml b/polkadot/node/core/av-store/Cargo.toml
index bd77aaac663aa67d77cee87241f28d4ffb3abd38..7b046434c40d5da3d0f286fed531f4d2bb00d7d1 100644
--- a/polkadot/node/core/av-store/Cargo.toml
+++ b/polkadot/node/core/av-store/Cargo.toml
@@ -12,7 +12,7 @@ thiserror = "1.0.31"
 gum = { package = "tracing-gum", path = "../../gum" }
 bitvec = "1.0.0"
 
-parity-scale-codec = { version = "3.1.2", features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", features = ["derive"] }
 erasure = { package = "polkadot-erasure-coding", path = "../../../erasure-coding" }
 polkadot-node-subsystem = {path = "../../subsystem" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
diff --git a/polkadot/node/core/candidate-validation/Cargo.toml b/polkadot/node/core/candidate-validation/Cargo.toml
index 3e5ff2de349ef45edd75ccd86fac4d9628ad85b8..312fc0e32a42956547c497aa02fa4a340fa86fa2 100644
--- a/polkadot/node/core/candidate-validation/Cargo.toml
+++ b/polkadot/node/core/candidate-validation/Cargo.toml
@@ -10,7 +10,7 @@ futures = "0.3.21"
 gum = { package = "tracing-gum", path = "../../gum" }
 
 sp-maybe-compressed-blob = { package = "sp-maybe-compressed-blob", git = "https://github.com/paritytech/substrate", branch = "master" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["bit-vec", "derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["bit-vec", "derive"] }
 
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-parachain = { path = "../../../parachain" }
diff --git a/polkadot/node/core/chain-api/Cargo.toml b/polkadot/node/core/chain-api/Cargo.toml
index f5bdf8cb41b2ada37830aa07703ad7cb4f9dc473..b82f9127d7d58ad6313f698c4d8b49aab1090eee 100644
--- a/polkadot/node/core/chain-api/Cargo.toml
+++ b/polkadot/node/core/chain-api/Cargo.toml
@@ -17,7 +17,7 @@ sc-consensus-babe = { git = "https://github.com/paritytech/substrate", branch =
 [dev-dependencies]
 futures = { version = "0.3.21", features = ["thread-pool"] }
 maplit = "1.0.2"
-parity-scale-codec = "3.1.2"
+parity-scale-codec = "3.1.5"
 polkadot-node-primitives = { path = "../../primitives" }
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/node/core/chain-selection/Cargo.toml b/polkadot/node/core/chain-selection/Cargo.toml
index c2a3768ddf6ce0d3ad609cbf4a1dc8e2f47da960..a45fbad43846aefc8c6f165ef6101622b70d301b 100644
--- a/polkadot/node/core/chain-selection/Cargo.toml
+++ b/polkadot/node/core/chain-selection/Cargo.toml
@@ -15,7 +15,7 @@ polkadot-node-subsystem = { path = "../../subsystem" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 kvdb = "0.11.0"
 thiserror = "1.0.31"
-parity-scale-codec = "3.1.2"
+parity-scale-codec = "3.1.5"
 
 [dev-dependencies]
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
diff --git a/polkadot/node/core/dispute-coordinator/Cargo.toml b/polkadot/node/core/dispute-coordinator/Cargo.toml
index 96f976d2eadc710002d929403d845d289a36ea69..e454c35468a84dceef4b43762713931d732a3459 100644
--- a/polkadot/node/core/dispute-coordinator/Cargo.toml
+++ b/polkadot/node/core/dispute-coordinator/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 futures = "0.3.21"
 gum = { package = "tracing-gum", path = "../../gum" }
-parity-scale-codec = "3.1.2"
+parity-scale-codec = "3.1.5"
 kvdb = "0.11.0"
 thiserror = "1.0.31"
 lru = "0.7.7"
diff --git a/polkadot/node/core/pvf/Cargo.toml b/polkadot/node/core/pvf/Cargo.toml
index 3e72a3106f5225d7aa9bc07c44af896b6bf5088c..cc6729a811525f5d95f373e9510865395341eaf1 100644
--- a/polkadot/node/core/pvf/Cargo.toml
+++ b/polkadot/node/core/pvf/Cargo.toml
@@ -21,7 +21,7 @@ pin-project = "1.0.9"
 rand = "0.8.5"
 tempfile = "3.3.0"
 rayon = "1.5.1"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 polkadot-parachain = { path = "../../../parachain" }
 polkadot-core-primitives = { path = "../../../core-primitives" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util"}
diff --git a/polkadot/node/jaeger/Cargo.toml b/polkadot/node/jaeger/Cargo.toml
index 6cc8cb8500e601f1480c01839cba1b226f71a56a..05755c383bb8c7dc63ddca883e59bceff609daf8 100644
--- a/polkadot/node/jaeger/Cargo.toml
+++ b/polkadot/node/jaeger/Cargo.toml
@@ -16,4 +16,4 @@ sc-network = { git = "https://github.com/paritytech/substrate", branch = "master
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 thiserror = "1.0.31"
 log = "0.4.17"
-parity-scale-codec = { version = "3.1.2", default-features = false }
+parity-scale-codec = { version = "3.1.5", default-features = false }
diff --git a/polkadot/node/network/availability-distribution/Cargo.toml b/polkadot/node/network/availability-distribution/Cargo.toml
index b21bac374407a3c863a873f69a6c4a394967861f..ab8251dd2095253e92cb0c46de571531c60960b5 100644
--- a/polkadot/node/network/availability-distribution/Cargo.toml
+++ b/polkadot/node/network/availability-distribution/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 futures = "0.3.21"
 gum = { package = "tracing-gum", path = "../../gum" }
-parity-scale-codec = { version = "3.1.2", features = ["std"] }
+parity-scale-codec = { version = "3.1.5", features = ["std"] }
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-erasure-coding = { path = "../../../erasure-coding" }
 polkadot-node-network-protocol = { path = "../../network/protocol" }
diff --git a/polkadot/node/network/availability-recovery/Cargo.toml b/polkadot/node/network/availability-recovery/Cargo.toml
index 91564ae81bfdedba2901de99cbd58e0d65a7c049..68ec956aec625b1fb488a9a96c9d865b32e349aa 100644
--- a/polkadot/node/network/availability-recovery/Cargo.toml
+++ b/polkadot/node/network/availability-recovery/Cargo.toml
@@ -18,7 +18,7 @@ polkadot-node-primitives = { path = "../../primitives" }
 polkadot-node-subsystem = {path = "../../subsystem" }
 polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 polkadot-node-network-protocol = { path = "../../network/protocol" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
 
 [dev-dependencies]
diff --git a/polkadot/node/network/bridge/Cargo.toml b/polkadot/node/network/bridge/Cargo.toml
index f5b58becf1722c6d593bded034b81ab8d4f9359e..76e72ebd6917fd344dcbce369990bf9035beb24b 100644
--- a/polkadot/node/network/bridge/Cargo.toml
+++ b/polkadot/node/network/bridge/Cargo.toml
@@ -10,7 +10,7 @@ async-trait = "0.1.53"
 futures = "0.3.21"
 gum = { package = "tracing-gum", path = "../../gum" }
 polkadot-primitives = { path = "../../../primitives" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-consensus = { git = "https://github.com/paritytech/substrate", branch = "master" }
 polkadot-node-subsystem = {path = "../../subsystem" }
diff --git a/polkadot/node/network/collator-protocol/Cargo.toml b/polkadot/node/network/collator-protocol/Cargo.toml
index 46a4f98006026944c58e2e3da6132e12da3bbae1..972ff137ca69af6e032866582027ff8ea83ce19d 100644
--- a/polkadot/node/network/collator-protocol/Cargo.toml
+++ b/polkadot/node/network/collator-protocol/Cargo.toml
@@ -30,7 +30,7 @@ assert_matches = "1.4.0"
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master", features = ["std"] }
 sp-keyring = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
-parity-scale-codec = { version = "3.1.2", features = ["std"] }
+parity-scale-codec = { version = "3.1.5", features = ["std"] }
 
 polkadot-node-subsystem-test-helpers = { path = "../../subsystem-test-helpers" }
 polkadot-primitives-test-helpers = { path = "../../../primitives/test-helpers" }
diff --git a/polkadot/node/network/dispute-distribution/Cargo.toml b/polkadot/node/network/dispute-distribution/Cargo.toml
index 58eb2e0ef5a96a9a0984943cd43e72a106f8a87d..088d471a10808f85d6f6d4282549b4cb7844cc7a 100644
--- a/polkadot/node/network/dispute-distribution/Cargo.toml
+++ b/polkadot/node/network/dispute-distribution/Cargo.toml
@@ -8,7 +8,7 @@ edition = "2021"
 futures = "0.3.21"
 gum = { package = "tracing-gum", path = "../../gum" }
 derive_more = "0.99.17"
-parity-scale-codec = { version = "3.1.2", features = ["std"] }
+parity-scale-codec = { version = "3.1.5", features = ["std"] }
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-erasure-coding = { path = "../../../erasure-coding" }
 polkadot-node-subsystem = {path = "../../subsystem" }
diff --git a/polkadot/node/network/protocol/Cargo.toml b/polkadot/node/network/protocol/Cargo.toml
index a6554d048ba07b2a80415eba5388fae064a45e8c..1f24883bf67cfbf9e86cb0e5d1c7688476067a75 100644
--- a/polkadot/node/network/protocol/Cargo.toml
+++ b/polkadot/node/network/protocol/Cargo.toml
@@ -10,7 +10,7 @@ async-trait = "0.1.53"
 polkadot-primitives = { path = "../../../primitives" }
 polkadot-node-primitives = { path = "../../primitives" }
 polkadot-node-jaeger = { path = "../../jaeger" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sc-network = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sc-authority-discovery = { git = "https://github.com/paritytech/substrate", branch = "master" }
 strum = { version = "0.24", features = ["derive"] }
diff --git a/polkadot/node/network/statement-distribution/Cargo.toml b/polkadot/node/network/statement-distribution/Cargo.toml
index 8e997d42bd935a832afc4663bb5591ccc87696ea..acdadbe64274381ed4665e578f8d57bd7556f07c 100644
--- a/polkadot/node/network/statement-distribution/Cargo.toml
+++ b/polkadot/node/network/statement-distribution/Cargo.toml
@@ -17,7 +17,7 @@ polkadot-node-subsystem-util = { path = "../../subsystem-util" }
 polkadot-node-network-protocol = { path = "../../network/protocol" }
 arrayvec = "0.5.2"
 indexmap = "1.9.0"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 thiserror = "1.0.31"
 fatality = "0.0.6"
 
diff --git a/polkadot/node/primitives/Cargo.toml b/polkadot/node/primitives/Cargo.toml
index 4ad6de3d7c3d50a0d4e3f480cffdd67b3f3b33bc..55323b70dddd49aed2549c14ac5bece197d170fc 100644
--- a/polkadot/node/primitives/Cargo.toml
+++ b/polkadot/node/primitives/Cargo.toml
@@ -9,7 +9,7 @@ description = "Primitives types for the Node-side"
 bounded-vec = "0.6"
 futures = "0.3.21"
 polkadot-primitives = { path = "../../primitives" }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-application-crypto = { git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-consensus-vrf = { git = "https://github.com/paritytech/substrate", branch = "master" }
diff --git a/polkadot/node/subsystem-util/Cargo.toml b/polkadot/node/subsystem-util/Cargo.toml
index a8de4f904e6c2873d1eb6d1a6550ea2ec9d6cf4b..06b985445d5976645c964890206df7a04a99aa15 100644
--- a/polkadot/node/subsystem-util/Cargo.toml
+++ b/polkadot/node/subsystem-util/Cargo.toml
@@ -9,7 +9,7 @@ description = "Subsystem traits and message definitions"
 async-trait = "0.1.53"
 futures = "0.3.21"
 itertools = "0.10"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 parking_lot = "0.11.2"
 pin-project = "1.0.9"
 rand = "0.8.5"
diff --git a/polkadot/node/test/client/Cargo.toml b/polkadot/node/test/client/Cargo.toml
index 852510e9c3e462d9ccaa7f83207906882907968c..74f54a4c1d9b3be79c76ea13f0bf535033821d78 100644
--- a/polkadot/node/test/client/Cargo.toml
+++ b/polkadot/node/test/client/Cargo.toml
@@ -5,7 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 
 # Polkadot dependencies
 polkadot-test-runtime = { path = "../../../runtime/test-runtime" }
diff --git a/polkadot/node/zombienet-backchannel/Cargo.toml b/polkadot/node/zombienet-backchannel/Cargo.toml
index ab57fcbc9b7a8aa5f1b68749025063d4c0e56e74..ba7eea3fa4407e4079a9f869e11911016fc98552 100644
--- a/polkadot/node/zombienet-backchannel/Cargo.toml
+++ b/polkadot/node/zombienet-backchannel/Cargo.toml
@@ -14,7 +14,7 @@ url = "2.0.0"
 tokio-tungstenite = "0.17"
 futures-util = "0.3.21"
 lazy_static = "1.4.0"
-parity-scale-codec = { version = "3.1.2", features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", features = ["derive"] }
 reqwest = "0.11"
 thiserror = "1.0.31"
 gum = { package = "tracing-gum", path = "../gum/" }
diff --git a/polkadot/parachain/Cargo.toml b/polkadot/parachain/Cargo.toml
index eb53a106aa466f6a59d25d63a8c59312ffd37e92..d106b127d48449efcc8d6a18ecd0e129dd9aec75 100644
--- a/polkadot/parachain/Cargo.toml
+++ b/polkadot/parachain/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2021"
 # note: special care is taken to avoid inclusion of `sp-io` externals when compiling
 # this crate for WASM. This is critical to avoid forcing all parachain WASM into implementing
 # various unnecessary Substrate-specific endpoints.
-parity-scale-codec = { version = "3.1.2", default-features = false, features = [ "derive" ] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = [ "derive" ] }
 parity-util-mem = { version = "0.11.0", default-features = false, optional = true }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
diff --git a/polkadot/parachain/test-parachains/Cargo.toml b/polkadot/parachain/test-parachains/Cargo.toml
index 4b5492f58ca6bd4887f6401639582691d898d9ca..6fe51fc0d3dc6aff76bf4809353206d13fb94c8b 100644
--- a/polkadot/parachain/test-parachains/Cargo.toml
+++ b/polkadot/parachain/test-parachains/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 tiny-keccak = "2.0.2"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 
 adder = { package = "test-parachain-adder", path = "adder" }
 halt = { package = "test-parachain-halt", path = "halt" }
diff --git a/polkadot/parachain/test-parachains/adder/Cargo.toml b/polkadot/parachain/test-parachains/adder/Cargo.toml
index 69cf157ada89398024b1113a2b10288e6f5a5f21..28c74f5e36cb25759e541fbc2772f9e9abb58aa2 100644
--- a/polkadot/parachain/test-parachains/adder/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/Cargo.toml
@@ -8,7 +8,7 @@ build = "build.rs"
 
 [dependencies]
 parachain = { package = "polkadot-parachain", path = "../../", default-features = false, features = [ "wasm-api" ] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
 dlmalloc = { version = "0.2.3", features = [ "global" ] }
diff --git a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
index d3a165d1481429b5aa801751e93a7d55b526efca..9776b6ea39de36dcd1d1b1b39d8fef3b41b35d3a 100644
--- a/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/adder/collator/Cargo.toml
@@ -14,7 +14,7 @@ name = "adder_collator_puppet_worker"
 path = "bin/puppet_worker.rs"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 clap = { version = "3.1", features = ["derive"] }
 futures = "0.3.21"
 futures-timer = "3.0.2"
diff --git a/polkadot/parachain/test-parachains/undying/Cargo.toml b/polkadot/parachain/test-parachains/undying/Cargo.toml
index ef026bdce778f16abe9449512126df85b17540ac..3fedb6729557e06461ec3bace835ccd10c2ef994 100644
--- a/polkadot/parachain/test-parachains/undying/Cargo.toml
+++ b/polkadot/parachain/test-parachains/undying/Cargo.toml
@@ -8,7 +8,7 @@ build = "build.rs"
 
 [dependencies]
 parachain = { package = "polkadot-parachain", path = "../../", default-features = false, features = [ "wasm-api" ] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 tiny-keccak = { version = "2.0.2", features = ["keccak"] }
 dlmalloc = { version = "0.2.3", features = [ "global" ] }
diff --git a/polkadot/parachain/test-parachains/undying/collator/Cargo.toml b/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
index 923b323d75acb425432bb918ba9e14e20f40fcda..329e5373ed430cbc8af9cfc86b853c29327c7c71 100644
--- a/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
+++ b/polkadot/parachain/test-parachains/undying/collator/Cargo.toml
@@ -14,7 +14,7 @@ name = "undying_collator_puppet_worker"
 path = "bin/puppet_worker.rs"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 clap = { version = "3.1", features = ["derive"] }
 futures = "0.3.19"
 futures-timer = "3.0.2"
diff --git a/polkadot/primitives/Cargo.toml b/polkadot/primitives/Cargo.toml
index ede9e5f21c35b4394049458b8b004d5d0385c9c8..cbf63d3407b897a133ccd2a0456b7e5c8f438ff2 100644
--- a/polkadot/primitives/Cargo.toml
+++ b/polkadot/primitives/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 serde = { version = "1.0.137", optional = true, features = ["derive"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["bit-vec", "derive"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["bit-vec", "derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["bit-vec", "derive"] }
 primitives = { package = "sp-core", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 inherents = { package = "sp-inherents", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 application-crypto = { package = "sp-application-crypto", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
diff --git a/polkadot/runtime/common/Cargo.toml b/polkadot/runtime/common/Cargo.toml
index 555268fb86090dfaeb6f1e2bfb8b31673b77a99b..44615aea05dfb92c4027f9bf94d25dc5fcda36ca 100644
--- a/polkadot/runtime/common/Cargo.toml
+++ b/polkadot/runtime/common/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 impl-trait-for-tuples = "0.2.2"
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
diff --git a/polkadot/runtime/common/slot_range_helper/Cargo.toml b/polkadot/runtime/common/slot_range_helper/Cargo.toml
index 375dbd23c282274e6b5a7e4c9e807a81565b983c..30cbbd910130dab4a8c68d0de7b66ebc081a14b6 100644
--- a/polkadot/runtime/common/slot_range_helper/Cargo.toml
+++ b/polkadot/runtime/common/slot_range_helper/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 paste = "1.0"
 enumn = "0.1.4"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-std = { package = "sp-std", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index c7732645e23df3403a850833600bafbaa53a0925..5c936764d7fbd64c0879924fd90188ca7f62987b 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
diff --git a/polkadot/runtime/metrics/Cargo.toml b/polkadot/runtime/metrics/Cargo.toml
index 6660326a71e2470994e1a9043a3b3fdf00169a5e..43c3609232f45665ee02e596160b7638ae8304bf 100644
--- a/polkadot/runtime/metrics/Cargo.toml
+++ b/polkadot/runtime/metrics/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 [dependencies]
 sp-std = { package = "sp-std", git = "https://github.com/paritytech/substrate", branch = "master", default-features = false}
 sp-tracing = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-parity-scale-codec = { version = "3.1.2", default-features = false }
+parity-scale-codec = { version = "3.1.5", default-features = false }
 primitives = { package = "polkadot-primitives", path = "../../primitives", default-features = false }
 
 bs58 = { version = "0.4.0", default-features = false, features = ["alloc"] }
diff --git a/polkadot/runtime/parachains/Cargo.toml b/polkadot/runtime/parachains/Cargo.toml
index 63ef2254016a60602b9d15607a41f5e90b057550..123d1543ba1110ba9a6027454d5586e7cea34fb7 100644
--- a/polkadot/runtime/parachains/Cargo.toml
+++ b/polkadot/runtime/parachains/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 
 [dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index 9fa4383d545677f487a82d4851716f3ed3ce959b..4763d7f042831498fcb2d371127693d4cdfffb38 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
diff --git a/polkadot/runtime/rococo/Cargo.toml b/polkadot/runtime/rococo/Cargo.toml
index d83b98a977aa22459409383582b7f81cc2a4f90f..d23e48b99c61fc97b1e3808c3a828b1755ed4ebe 100644
--- a/polkadot/runtime/rococo/Cargo.toml
+++ b/polkadot/runtime/rococo/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2021"
 build = "build.rs"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 serde = { version = "1.0.137", default-features = false }
 serde_derive = { version = "1.0.117", optional = true }
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index a685736a63e9c0fbe1d4efcd1d3e777b6c0ff9f1..b7b2c6ec2b10b6616170e737657ab62179335cb2 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index 74b55a835b399737c5c31ad4fbd806ab8737744b..778483353ee39f5bd5e5643da385b08fc9354e41 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -7,7 +7,7 @@ build = "build.rs"
 
 [dependencies]
 bitvec = { version = "1.0.0", default-features = false, features = ["alloc"] }
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 log = { version = "0.4.17", default-features = false }
 rustc-hex = { version = "2.1.0", default-features = false }
diff --git a/polkadot/statement-table/Cargo.toml b/polkadot/statement-table/Cargo.toml
index ab9c48abbc8ec75c517a1bc20456195cdf0da84b..eea29c749713f6010235e47bb32576e277034ffb 100644
--- a/polkadot/statement-table/Cargo.toml
+++ b/polkadot/statement-table/Cargo.toml
@@ -5,6 +5,6 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2021"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 sp-core = { git = "https://github.com/paritytech/substrate", branch = "master" }
 primitives = { package = "polkadot-primitives", path = "../primitives" }
diff --git a/polkadot/xcm/Cargo.toml b/polkadot/xcm/Cargo.toml
index 5059da18067d32ac28c786031c45fa81b1241ec5..fec2d33448cd345e92ec5516e6a475d95da83826 100644
--- a/polkadot/xcm/Cargo.toml
+++ b/polkadot/xcm/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 impl-trait-for-tuples = "0.2.2"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive", "max-encoded-len"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive", "max-encoded-len"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 sp-runtime = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 derivative = {version = "2.2.0", default-features = false, features = [ "use_core" ] }
diff --git a/polkadot/xcm/xcm-builder/Cargo.toml b/polkadot/xcm/xcm-builder/Cargo.toml
index d5089e8ab05963de327f7655edb4d887b26b9024..904909d5ca13d9a3cfe357a133383f777dbd68e2 100644
--- a/polkadot/xcm/xcm-builder/Cargo.toml
+++ b/polkadot/xcm/xcm-builder/Cargo.toml
@@ -6,7 +6,7 @@ description = "Tools & types for building with XCM and its executor."
 version = "0.9.25"
 
 [dependencies]
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 scale-info = { version = "2.1.2", default-features = false, features = ["derive"] }
 xcm = { path = "..", default-features = false }
 xcm-executor = { path = "../xcm-executor", default-features = false }
diff --git a/polkadot/xcm/xcm-executor/Cargo.toml b/polkadot/xcm/xcm-executor/Cargo.toml
index ad4b7037426a0f48e2c68164641c39e3ee3c5508..56a9233d52f252fe304bf9030d0480ce5ad83105 100644
--- a/polkadot/xcm/xcm-executor/Cargo.toml
+++ b/polkadot/xcm/xcm-executor/Cargo.toml
@@ -7,7 +7,7 @@ version = "0.9.25"
 
 [dependencies]
 impl-trait-for-tuples = "0.2.2"
-parity-scale-codec = { version = "3.1.2", default-features = false, features = ["derive"] }
+parity-scale-codec = { version = "3.1.5", default-features = false, features = ["derive"] }
 xcm = { path = "..", default-features = false }
 sp-std = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sp-io = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }