diff --git a/tests/serialise-events.rs b/tests/serialise-events.rs
index ae3742a..151a137 100644
--- a/tests/serialise-events.rs
+++ b/tests/serialise-events.rs
@@ -2,6 +2,7 @@
 // LICENSE.ARTISTIC file, and the Creative Commons Zero 1.0 license.
 
 use notify::event::*;
+use serde_json::json;
 
 #[test]
 fn events_are_debuggable() {