diff --git a/Cargo.toml b/Cargo.toml
index 425067f..8a052a1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,6 +22,10 @@ path = "src/ui.rs"
 [profile.dev]
 opt-level = 1
 
+# Set the default for crate.
+[profile.release]
+debug = true
+
 # Set the default for dependencies.
 [profile.dev.package."*"]
 opt-level = 3