diff --git a/Cargo.lock b/Cargo.lock
index 0c0b62edd..e86da5f1b 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -601,12 +601,13 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.118"
+version = "1.0.121"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d947f6b3163d8857ea16c4fa0dd4840d52f3041039a85decd46867eb1abef2e4"
+checksum = "4ab380d7d9f22ef3f21ad3e6c1ebe8e4fc7a2000ccba2e4d71fc96f15b2cb609"
 dependencies = [
  "indexmap",
  "itoa",
+ "memchr",
  "ryu",
  "serde",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 745aeeb5a..374672928 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -33,7 +33,7 @@ pyo3 = { version = "0.22.2", features = ["generate-import-lib", "num-bigint", "p
 regex = "1.10.4"
 strum = { version = "0.26.3", features = ["derive"] }
 strum_macros = "0.26.4"
-serde_json = {version = "1.0.116", features = ["arbitrary_precision", "preserve_order"]}
+serde_json = {version = "1.0.121", features = ["arbitrary_precision", "preserve_order"]}
 enum_dispatch = "0.3.13"
 serde = { version = "1.0.203", features = ["derive"] }
 speedate = "0.14.4"