diff --git a/Cargo.toml b/Cargo.toml
index 7b53966..37197fa 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,6 +9,11 @@ edition = "2018"
 [features]
 async = ["tokio"]
 
+[profile.release]
+opt-level = 3
+lto = "fat"
+codegen-units = 1
+
 [dependencies]
 termprogress = { path = "../termprogress" }
 lazy_static = "1.4"