diff --git a/Cargo.toml b/Cargo.toml
index 95ea6df..9927c47 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,3 +22,4 @@ pubsub = { path = "../pubsub" }
 
 [features]
 no-thrash = []
+trace = []