diff --git a/Cargo.toml b/Cargo.toml
index 4acb13c..443d35e 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -11,3 +11,6 @@ license = "MIT"
 anyhow = "1.0"
 dbus = "0.8.2"
 deltachat = { git = "https://github.com/deltachat/deltachat-core-rust", tag="1.31.0" }
+
+[profile.release]
+lto = true