diff --git a/Cargo.toml b/Cargo.toml
index 8eebd7322..d1cc8ee7a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,6 +65,7 @@ version_check = "0.9.4"
 #
 # https://doc.rust-lang.org/cargo/reference/profiles.html#release
 debug = false
+lto = "thin"
 
 [[bin]]
 name = "difft"