diff --git a/Cargo.lock b/Cargo.lock
index 1ffbc78e..2c88ec2c 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2504,26 +2504,6 @@ dependencies = [
  "thiserror 1.0.69",
 ]
 
-[[package]]
-name = "ref-cast"
-version = "1.0.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f354300ae66f76f1c85c5f84693f0ce81d747e2c3f21a45fef496d89c960bf7d"
-dependencies = [
- "ref-cast-impl",
-]
-
-[[package]]
-name = "ref-cast-impl"
-version = "1.0.25"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7186006dcb21920990093f30e3dea63b7d6e977bf1256be20c3563a5db070da"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn 2.0.119",
-]
-
 [[package]]
 name = "regalloc2"
 version = "0.15.2"
@@ -2828,12 +2808,11 @@ checksum = "0fda2ff0d084019ba4d7c6f371c95d8fd75ce3524c3cb8fb653a3023f6323e64"
 
 [[package]]
 name = "simd-json"
-version = "0.18.1"
+version = "0.19.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ebe141eb4a23ecc4d5de93fa5b139ac65dc07c38037a2fe9a8fb7c9d36bd832"
+checksum = "e8f2e4d523646f7da6dde3983bd18ede0babc21c258ab708b3dd93ea0259719d"
 dependencies = [
  "halfbrown",
- "ref-cast",
  "serde",
  "serde_json",
  "simdutf8",
@@ -3505,9 +3484,9 @@ dependencies = [
 
 [[package]]
 name = "value-trait"
-version = "0.12.1"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e80f0c733af0720a501b3905d22e2f97662d8eacfe082a75ed7ffb5ab08cb59"
+checksum = "545a3d7089f11f1741d12963c057adf9443fc24325110a6a6daf582e825fd51b"
 dependencies = [
  "float-cmp",
  "halfbrown",
diff --git a/crates/javy/Cargo.toml b/crates/javy/Cargo.toml
index 24c614be..7be091bf 100644
--- a/crates/javy/Cargo.toml
+++ b/crates/javy/Cargo.toml
@@ -29,7 +29,7 @@ rmp-serde = { version = "^1.3", optional = true }
 quickcheck = "1"
 bitflags = "2.12.1"
 fastrand = "2.4.1"
-simd-json = { version = "0.18.1", optional = true, default-features = false, features = [
+simd-json = { version = "0.19.0", optional = true, default-features = false, features = [
     "big-int-as-float",
     "serde_impl",
 ] }