diff --git a/Cargo.toml b/Cargo.toml
index 32c9e02ea..fd1881f7c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -19,6 +19,7 @@ incremental = false
 incremental = false
 
 [profile.release]
+lto = true
 incremental = false
 [patch."https://github.com/paritytech/substrate"]
 binary-merkle-tree = { git = "https://github.com/paritytech//substrate", branch = "polkadot-v1.0.0" }