diff --git a/Cargo.toml b/Cargo.toml
index 8251e61..d820ee3 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -20,6 +20,7 @@ opt-level = 0
 
 [profile.test]
 opt-level = 3
+lto = "thin"
 incremental = true
 debug-assertions = true
 debug = true