diff --git a/src/lib.rs b/src/lib.rs
index 8513726..15fe697 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -2,6 +2,7 @@
 extern crate speech_dispatcher_sys;
 
 use std::ffi::{CStr, CString};
+use std::marker::Send;
 
 use speech_dispatcher_sys::*;
 
@@ -503,6 +504,9 @@ impl Connection {
 
 }
 
+unsafe impl Send for Connection {
+}
+
 impl Drop for Connection {
     fn drop(&mut self) {
         self.close();