diff --git a/Cargo.toml b/Cargo.toml
index d4a8aa9..5dd738f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,3 +53,7 @@ libc = "0.2"
 diff = "0.1"
 tempdir = "0.3"
 filetime = "0.2.1"
+
+[profile.release]
+lto = true
+codegen-units = 1