diff --git a/Cargo.toml b/Cargo.toml
index 0ad98b1..0091023 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,10 @@ opt-level = 2
 debug = true
 
 [profile.release]
+opt-level = 3
 strip = true
+codegen-units = 1
+lto = "fat"
 
 [profile.release-dev]
 inherits = "release"