diff --git a/native/Cargo.toml b/native/Cargo.toml
index 3a0b79f..68c1937 100644
--- a/native/Cargo.toml
+++ b/native/Cargo.toml
@@ -4,3 +4,7 @@ members = [
     "libcst",
     "libcst_derive",
 ]
+
+[profile.release]
+codegen-units = 1
+lto = false