diff --git a/Cargo.toml b/Cargo.toml
index 6001e3b3..3f6d558b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -80,4 +80,6 @@ path = "tx-parser"
 path = "tolstoy"
 
 [profile.release]
+opt-level = 3
 debug = false
+lto = true