diff --git a/Cargo.toml b/Cargo.toml
index 33caa76..7367a37 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -68,4 +68,9 @@ otsu_level = ["image"]
 members = [
     "crates/one-d-proc-derive",
     "crates/cli"
-]
\ No newline at end of file
+]
+
+[profile.release]
+codegen-units = 1
+lto = true
+opt-level = 3
\ No newline at end of file