diff --git a/Cargo.toml b/Cargo.toml
index 9e8224fc1..1300920a7 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -170,3 +170,4 @@ panic = 'abort'
 strip = true
 #opt-level = 'z' # only have smaller size after strip
 rpath = true
+debug = true