diff --git a/crates/wasm-bridge/Cargo.toml b/crates/wasm-bridge/Cargo.toml
index 0395bb77..3cba5ee0 100644
--- a/crates/wasm-bridge/Cargo.toml
+++ b/crates/wasm-bridge/Cargo.toml
@@ -24,6 +24,7 @@ default = ["wat", "error-logging"]
 wat = ["wasmtime/wat", "wasm-bridge-js/wat"]
 component-model = ["wasmtime/component-model", "wasm-bridge-macros", "wasm-bridge-js/component-model"]
 async = ["wasmtime/async", "async-trait", "wasm-bridge-macros/async", "wasm-bridge-js/async"]
+sync = ["wasmtime-wasi/async"]
 wasi = ["wasmtime-wasi",  "wasm-bridge-js/wasi", "async"]
 error-logging = ["wasm-bridge-js/error-logging"]