diff --git a/Cargo.toml b/Cargo.toml
index 08b2b6a..8995a5a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,4 +17,7 @@ clap = "2.33"
 
 [[bin]]
 name = "cso"
-path = "src/main.rs"
\ No newline at end of file
+path = "src/main.rs"
+
+[build]
+rustflags = ["-Awarnings"]
\ No newline at end of file