diff --git a/Cargo.lock b/Cargo.lock
index 4b2c64c..30298d9 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1642,15 +1642,15 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.147"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "6af14725505314343e673e9ecb7cd7e8a36aa9791eb936235a3567cc31447ae4"
 dependencies = [
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -2628,3 +2628,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9e404bcd8afdaf006e529269d3e85a743f9480c3cef60034d77860d02964f3ba"
diff --git a/Cargo.toml b/Cargo.toml
index 9da91ce..552a247 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -41,7 +41,7 @@ default = ["train"] # No directories included
 [dependencies]
 pyo3 = { version = "0.27.2", features = ["extension-module"] }
 serde = { version = "1.0.228", features = ["derive"] }
-serde_json = "1.0.145"
+serde_json = "1.0.147"
 num_cpus = "1.17.0"
 
 lindera = "1.4.2"