diff --git a/Cargo.toml b/Cargo.toml
index c6c82fd..67bcb2b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -31,6 +31,7 @@ opt-level = 3
 opt-level = 3
 lto = true
 codegen-units = 1
+debug = true
 
 [profile.release]
 opt-level = 3