diff --git a/Cargo.lock b/Cargo.lock
index ce7dac86..c8547aa4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -169,9 +169,9 @@ checksum = "55248b47b0caf0546f7988906588779981c43bb1bc9d0c44087278f80cdb44ba"
 
 [[package]]
 name = "bigdecimal"
-version = "0.4.8"
+version = "0.4.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a22f228ab7a1b23027ccc6c350b72868017af7ea8356fbdf19f8d991c690013"
+checksum = "560f42649de9fa436b73517378a147ec21f6c997a546581df4b4b31677828934"
 dependencies = [
  "autocfg",
  "libm",
diff --git a/wasm-host-simulator/Cargo.toml b/wasm-host-simulator/Cargo.toml
index f76be766..9b8f7af5 100644
--- a/wasm-host-simulator/Cargo.toml
+++ b/wasm-host-simulator/Cargo.toml
@@ -14,7 +14,7 @@ xrpl-rust = { version = "1.0.0", default-features = false, features = ["core"] }
 hex = "0.4.3"
 lazy_static = "1.5.0"
 wamr-rust-sdk = { git = "https://github.com/ripple/wamr-rust-sdk.git"}
-bigdecimal = {version = "0.4.8", features = ["serde-json"]}
+bigdecimal = {version = "0.4.9", features = ["serde-json"]}
 num-traits = "0.2.19"
 num-derive = "0.4.2"
 xrpld-number = { path = "xrpld-number" }