diff --git a/Cargo.lock b/Cargo.lock
index 5da5a18..bba6892 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1473,9 +1473,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.134"
+version = "1.0.137"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d00f4175c42ee48b15416f6193a959ba3a0d67fc699a0db9ad12df9f83991c7d"
+checksum = "930cfb6e6abf99298aaad7d29abbef7a9999a9a8806a40088f55f0dcec03146b"
 dependencies = [
  "itoa",
  "memchr",
diff --git a/gd/Cargo.toml b/gd/Cargo.toml
index df93fb8..601ff64 100644
--- a/gd/Cargo.toml
+++ b/gd/Cargo.toml
@@ -15,7 +15,7 @@ nalgebra = "0.33.2"
 rand = "0.8.5"
 num = "0.4.3"
 log = "0.4.22"
-serde_json = "1.0.134"
+serde_json = "1.0.137"
 serde = { version = "1.0.217", features = ["derive"] }
 anyhow = "1.0.95"
 
diff --git a/persist/Cargo.toml b/persist/Cargo.toml
index 80bf7b4..b2905cf 100644
--- a/persist/Cargo.toml
+++ b/persist/Cargo.toml
@@ -5,4 +5,4 @@ edition = "2021"
 
 [dependencies]
 serde = { version = "1.0.217", features = ["derive"] }
-serde_json = "1.0.134"
+serde_json = "1.0.137"
diff --git a/testbed/Cargo.toml b/testbed/Cargo.toml
index fd48c81..7cbd6cc 100644
--- a/testbed/Cargo.toml
+++ b/testbed/Cargo.toml
@@ -10,7 +10,7 @@ persist = { path = "../persist" }
 num_opt = { path = "../num_opt" }
 plotters = "0.3.7"
 rand = "0.8.5"
-serde_json = "1.0.134"
+serde_json = "1.0.137"
 serde = { version = "1.0.217", features = ["derive"] }
 
 [dev-dependencies]