diff --git a/Cargo.toml b/Cargo.toml
index 2f7997616..0ae7a7a38 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,9 @@ authors = ["Delta Chat Developers (ML) <delta@codespeak.net>"]
 edition = "2018"
 license = "MPL-2.0"
 
+[profile.dev]
+debug = 0
+
 [profile.release]
 lto = true