diff --git a/Cargo.toml b/Cargo.toml
index c5750b4..71539a2 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,7 @@ threading = ["async-lock", "rayon"]
 debug = false
 codegen-units = 1
 opt-level = "z"   #optimize for size
-lto = "thin"
+lto = "fat"
 strip = true
 panic = "abort"