diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index af1065d798..fb7bb8a24a 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -7841,9 +7841,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.60"
+version = "1.0.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1500e84d27fe482ed1dc791a56eddc2f230046a040fa908c08bda1d9fb615779"
+checksum = "4fceb2595057b6891a4ee808f70054bd2d12f0e97f1cbb78689b59f676df325a"
 dependencies = [
  "itoa",
  "ryu",
diff --git a/polkadot/node/test/service/Cargo.toml b/polkadot/node/test/service/Cargo.toml
index 38a3a49b39..cf13d08c08 100644
--- a/polkadot/node/test/service/Cargo.toml
+++ b/polkadot/node/test/service/Cargo.toml
@@ -57,6 +57,6 @@ substrate-test-client = { git = "https://github.com/paritytech/substrate", branc
 
 [dev-dependencies]
 pallet-balances = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 substrate-test-utils = { git = "https://github.com/paritytech/substrate", branch = "master" }
 tokio = { version = "0.2", features = ["macros"] }
diff --git a/polkadot/runtime/common/Cargo.toml b/polkadot/runtime/common/Cargo.toml
index 81195872bd..a98bcfac3f 100644
--- a/polkadot/runtime/common/Cargo.toml
+++ b/polkadot/runtime/common/Cargo.toml
@@ -51,7 +51,7 @@ pallet-randomness-collective-flip = { git = "https://github.com/paritytech/subst
 pallet-staking-reward-curve = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-treasury = { git = "https://github.com/paritytech/substrate", branch = "master" }
 trie-db = "0.22.1"
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 libsecp256k1 = "0.3.5"
 
 [features]
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index 2af5811f6c..f424c3baac 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -82,7 +82,7 @@ tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 separator = "0.4.1"
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 
 [build-dependencies]
 substrate-wasm-builder = "3.0.0"
diff --git a/polkadot/runtime/parachains/Cargo.toml b/polkadot/runtime/parachains/Cargo.toml
index 9899a77986..655da89065 100644
--- a/polkadot/runtime/parachains/Cargo.toml
+++ b/polkadot/runtime/parachains/Cargo.toml
@@ -52,7 +52,7 @@ sp-application-crypto = { git = "https://github.com/paritytech/substrate", branc
 pallet-randomness-collective-flip = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-staking-reward-curve = { git = "https://github.com/paritytech/substrate", branch = "master" }
 pallet-treasury = { git = "https://github.com/paritytech/substrate", branch = "master" }
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 libsecp256k1 = "0.3.5"
 sp-version = { git = "https://github.com/paritytech/substrate", branch = "master", default-features = false }
 sc-keystore = { git = "https://github.com/paritytech/substrate", branch = "master"}
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index f13b4b0069..2f9d889106 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -80,7 +80,7 @@ tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
 trie-db = "0.22.1"
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 
 [build-dependencies]
 substrate-wasm-builder = "3.0.0"
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index f971d66835..c87678e3aa 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -62,7 +62,7 @@ libsecp256k1 = "0.3.5"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 
 [build-dependencies]
 substrate-wasm-builder = "3.0.0"
diff --git a/polkadot/runtime/westend/Cargo.toml b/polkadot/runtime/westend/Cargo.toml
index bc2a72e721..da4057f1a0 100644
--- a/polkadot/runtime/westend/Cargo.toml
+++ b/polkadot/runtime/westend/Cargo.toml
@@ -81,7 +81,7 @@ libsecp256k1 = "0.3.5"
 tiny-keccak = "2.0.2"
 keyring = { package = "sp-keyring", git = "https://github.com/paritytech/substrate", branch = "master" }
 sp-trie = { git = "https://github.com/paritytech/substrate", branch = "master" }
-serde_json = "1.0.60"
+serde_json = "1.0.61"
 
 [build-dependencies]
 substrate-wasm-builder = "3.0.0"