diff --git a/Cargo.lock b/Cargo.lock
index f61e5eb86..bf435359e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -7820,9 +7820,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.134"
+version = "1.0.138"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d00f4175c42ee48b15416f6193a959ba3a0d67fc699a0db9ad12df9f83991c7d"
+checksum = "d434192e7da787e94a6ea7e9670b26a036d0ca41e0b7efb2676dd32bae872949"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/node/Cargo.toml b/node/Cargo.toml
index ea5a33d4a..9c419d127 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -61,7 +61,7 @@ task-scheduler-runtime-api = { workspace = true }
 thiserror = "2.0.9"
 try-runtime-cli = { workspace = true, optional = true }
 jsonrpsee = { workspace = true, features = ["server"] }
-serde_json = "1.0.134"
+serde_json = "1.0.138"
 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 4cc195e6e..9f4ec74f2 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 = "1.0.134", features = [
+serde_json = { version = "1.0.138", 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 5deeef2cc..08a3e0c0f 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 = "1.0.134", features = [
+serde_json = { version = "1.0.138", features = [
     "alloc",
 ], default-features = false }
 frame-support = { workspace = true }