diff --git a/gstreamer/src/event.rs b/gstreamer/src/event.rs
index 0418f141d..e048f2a53 100644
--- a/gstreamer/src/event.rs
+++ b/gstreamer/src/event.rs
@@ -26,6 +26,9 @@ pub struct EventRef(ffi::GstEvent);
 
 pub type Event = GstRc<EventRef>;
 
+unsafe impl Sync for EventRef {}
+unsafe impl Send for EventRef {}
+
 unsafe impl MiniObject for EventRef {
     type GstType = ffi::GstEvent;
 }
diff --git a/gstreamer/src/message.rs b/gstreamer/src/message.rs
index 48a062539..1549edf2a 100644
--- a/gstreamer/src/message.rs
+++ b/gstreamer/src/message.rs
@@ -27,6 +27,9 @@ pub struct MessageRef(ffi::GstMessage);
 
 pub type Message = GstRc<MessageRef>;
 
+unsafe impl Sync for MessageRef {}
+unsafe impl Send for MessageRef {}
+
 unsafe impl MiniObject for MessageRef {
     type GstType = ffi::GstMessage;
 }