diff --git a/Cargo.lock b/Cargo.lock
index c6137b7..7fdfa45 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -49,6 +49,12 @@ version = "1.0.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d75a2a4b1b190afb6f5425f10f6a8f959d2ea0b9c2b1d79553551850539e4674"
 
+[[package]]
+name = "memchr"
+version = "2.7.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "78ca9ab1a0babb1e7d5695e3530886289c18cf2f87ec19a575a0abdce112e3a3"
+
 [[package]]
 name = "pin-project-lite"
 version = "0.2.16"
@@ -81,6 +87,44 @@ dependencies = [
  "wstd",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.20"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
+
+[[package]]
+name = "serde"
+version = "1.0.219"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5f0e2c6ed6606019b4e29e69dbaba95b11854410e5347d525002456dbbb786b6"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.219"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5b0276cf7f2c73365f7157c8123c21cd9a50fbbd844757af28ca1f5925fc2a00"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.140"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "20068b6e96dc6c9bd23e01df8827e6c7e1f2fddd43c21810382803c136b99373"
+dependencies = [
+ "itoa",
+ "memchr",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "slab"
 version = "0.4.9"
@@ -136,14 +180,16 @@ dependencies = [
 
 [[package]]
 name = "wstd"
-version = "0.5.1"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26293c0587d2203a141282311221f9ba0048425a04b21d9fcff8fc62fc8ecd75"
+checksum = "6515b13373b9dfbbe62e4426972253a15b74d93b1e2e95f92bbb2801c239a1d3"
 dependencies = [
  "futures-core",
  "http",
  "itoa",
  "pin-project-lite",
+ "serde",
+ "serde_json",
  "slab",
  "wasi",
  "wstd-macro",
@@ -151,9 +197,9 @@ dependencies = [
 
 [[package]]
 name = "wstd-macro"
-version = "0.5.1"
+version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "75a8316f91fc3e508b03fdc979dec4ceeddb29744fc1c2c2ed825e00159f96f9"
+checksum = "23d1758ed5cdf081802c60bc000a9cb90db8bcdf140fa8a7251a22b32af37d7b"
 dependencies = [
  "quote",
  "syn",
diff --git a/Cargo.toml b/Cargo.toml
index e01eccc..1d95294 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -15,4 +15,4 @@ proxy = true
 
 [dependencies]
 wit-bindgen-rt = { version = "0.40.0", features = ["bitflags"] }
-wstd = "0.5.1"
+wstd = "0.5.3"