diff --git a/Cargo.toml b/Cargo.toml
index 04364b6..104eada 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -18,3 +18,8 @@ indexmap = { version = "1.6", features = ["serde-1"] }
 
 [target.'cfg(windows)'.dependencies]
 winreg = "0.7"
+
+[profile.release]
+opt-level = 'z'
+lto = true
+codegen-units = 1