diff --git a/Cargo.lock b/Cargo.lock
index 27c1230..3677e22 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2173,9 +2173,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.138"
+version = "1.0.139"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d434192e7da787e94a6ea7e9670b26a036d0ca41e0b7efb2676dd32bae872949"
+checksum = "44f86c3acccc9c65b153fe1b85a3be07fe5515274ec9f0653b4a0875731c72a6"
 dependencies = [
  "itoa 1.0.6",
  "memchr",
diff --git a/examples/test-api/Cargo.toml b/examples/test-api/Cargo.toml
index 1ef9d3e..ea4423c 100644
--- a/examples/test-api/Cargo.toml
+++ b/examples/test-api/Cargo.toml
@@ -10,5 +10,5 @@ version = "0.2.16"
 rand = "0.9.0"
 rocket = {version = "0.5.1", features = ["json"]}
 serde = {version = "1.0.217", features = ["derive"]}
-serde_json = "1.0.138"
+serde_json = "1.0.139"
 uuid = {version = "1.13.2", features = ["v4"]}
diff --git a/fatigue/Cargo.toml b/fatigue/Cargo.toml
index 219ee97..cd0efdd 100644
--- a/fatigue/Cargo.toml
+++ b/fatigue/Cargo.toml
@@ -21,6 +21,6 @@ libfatigue = { path = "../libfatigue", version = "0.2.16" }
 num-format = "0.4.4"
 prettytable-rs = "0.10.0"
 serde = "1.0.217"
-serde_json = "1.0.138"
+serde_json = "1.0.139"
 thiserror = "2.0.11"
 tokio = { version = "1.43.0", features = ["full"] }
diff --git a/libfatigue/Cargo.toml b/libfatigue/Cargo.toml
index d7b77a1..d581bdd 100644
--- a/libfatigue/Cargo.toml
+++ b/libfatigue/Cargo.toml
@@ -22,7 +22,7 @@ num_cpus = "1.16.0"
 petname = "1.1.2"
 reqwest = { version = "0.12.12", features = ["json"] }
 serde = { version = "1.0.217", features = ["derive"] }
-serde_json = "1.0.138"
+serde_json = "1.0.139"
 serde_yaml = "0.9.34"
 thiserror = "2.0.11"
 tokio = { version = "1.43.0", features = ["full"] }