diff --git a/Cargo.lock b/Cargo.lock
index 9288590..3c417cd 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -89,7 +89,7 @@ checksum = "28d3b2b1366ec20994f1fd18c3c594f05c5dd4bc44d8bb0c1c632c8d6829481f"
 name = "sample-wasi-http-rust"
 version = "0.0.0"
 dependencies = [
- "wit-bindgen-rt 0.41.0",
+ "wit-bindgen-rt 0.43.0",
  "wstd",
 ]
 
@@ -171,9 +171,9 @@ dependencies = [
 
 [[package]]
 name = "wit-bindgen-rt"
-version = "0.41.0"
+version = "0.43.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4db52a11d4dfb0a59f194c064055794ee6564eb1ced88c25da2cf76e50c5621"
+checksum = "9fd734226eac1fd7c450956964e3a9094c9cee65e9dafdf126feef8c0096db65"
 dependencies = [
  "bitflags",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index f5f8f64..2dcfe1e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,5 +14,5 @@ package = "component:sample-wasi-http-rust"
 proxy = true
 
 [dependencies]
-wit-bindgen-rt = { version = "0.41.0", features = ["bitflags"] }
+wit-bindgen-rt = { version = "0.43.0", features = ["bitflags"] }
 wstd = "0.5.3"