diff --git a/Cargo.toml b/Cargo.toml
index ced5f47..5fb120c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,5 @@ regex-lite = "0.1"
 
 [profile.release]
 strip = true
+codegen-units = 1
+lto = true