diff --git a/Cargo.toml b/Cargo.toml
index 8d5928e..1cf828b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -2,3 +2,6 @@
 members = ["aoc*"]
 
 default-members = ["aoc2019"]
+
+[profile.release]
+debug = true