diff --git a/Cargo.lock b/Cargo.lock
index 95feb8560..ce966f139 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7814,11 +7814,12 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.119"
+version = "1.0.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e8eddb61f0697cc3989c5d64b452f5488e2b8a60fd7d5076a3045076ffef8cb0"
+checksum = "8043c06d9f82bd7271361ed64f415fe5e12a77fdb52e573e7f06a516dea329ad"
 dependencies = [
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/node/Cargo.toml b/node/Cargo.toml
index 00fe2dae7..c06735192 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -61,7 +61,7 @@ task-scheduler-runtime-api = { workspace = true }
 thiserror = "1.0.63"
 try-runtime-cli = { workspace = true, optional = true }
 jsonrpsee = { workspace = true, features = ["server"] }
-serde_json = "1.0.119"
+serde_json = "1.0.127"
 frame-system = { workspace = true }
 pallet-transaction-payment = { workspace = true }
 sp-io = { workspace = true, optional = true }
diff --git a/pallets/creditcoin/Cargo.toml b/pallets/creditcoin/Cargo.toml
index 3f37cb946..87f709b20 100644
--- a/pallets/creditcoin/Cargo.toml
+++ b/pallets/creditcoin/Cargo.toml
@@ -37,7 +37,7 @@ parity-scale-codec = { workspace = true }
 paste = "1.0.15"
 scale-info = { workspace = true }
 serde = { workspace = true }
-serde_json = { version = "1.0.119", features = [
+serde_json = { version = "1.0.127", features = [
     "alloc",
 ], default-features = false }
 sha2 = { version = "0.10.8", default-features = false }
diff --git a/pallets/offchain-task-scheduler/Cargo.toml b/pallets/offchain-task-scheduler/Cargo.toml
index e9952cb55..e9d9aa9d0 100644
--- a/pallets/offchain-task-scheduler/Cargo.toml
+++ b/pallets/offchain-task-scheduler/Cargo.toml
@@ -7,7 +7,7 @@ edition = "2021"
 
 [dependencies]
 serde = { workspace = true }
-serde_json = { version = "1.0.119", features = [
+serde_json = { version = "1.0.127", features = [
     "alloc",
 ], default-features = false }
 frame-support = { workspace = true }