diff --git a/ext/bytebox/include/bytebox.h b/ext/bytebox/include/bytebox.h
index b3e6309..dedf466 100644
--- a/ext/bytebox/include/bytebox.h
+++ b/ext/bytebox/include/bytebox.h
@@ -77,6 +77,7 @@ struct bb_module_instance_instantiate_opts
 		bb_wasm_memory_free* free_callback;
 		void* userdata;
 	} wasm_memory_config;
+	size_t stack_size;
 	bool enable_debug;
 };
 typedef struct bb_module_instance_instantiate_opts bb_module_instance_instantiate_opts;
diff --git a/src/main.c b/src/main.c
index 6706276..8a6a95b 100644
--- a/src/main.c
+++ b/src/main.c
@@ -379,8 +379,6 @@ i32 orca_runloop(void* user)
 		return quit_on_wasm_init_failure("wasm decode", wasm_init_err);
 	}
 
-	// TODO [ReubenD] - allow specifying stack size
-
 	// u32 stackSize = 65536;
 	// app->runtime.m3Env = m3_NewEnvironment();
 
@@ -428,12 +426,14 @@ i32 orca_runloop(void* user)
 	bb_module_instance_instantiate_opts module_inst_instantiate_opts = { 
 		.packages = &module_imports, 
 		.num_packages = 1, 
+		.stack_size = 1024 * 64,
 		.enable_debug = false,
 		.wasm_memory_config = {
 			.resize_callback = wasm_memory_resize_callback,
 			.free_callback = wasm_memory_free_callback,
 			.userdata = &app->runtime.wasmMemory,
 		},
+
 	};
 	wasm_init_err = bb_module_instance_instantiate(app->runtime.bbModuleInst, module_inst_instantiate_opts);