diff --git a/Cargo.toml b/Cargo.toml
index 4dd9c76..d25d3e8 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -9,7 +9,8 @@ resolver = "2"
 opt-level = 3
 debug = false
 rpath = true
-lto = true
+lto = 'fat'
+codegen-units = 1
 
 [profile.release.package."*"]
 opt-level = 3