diff --git a/parser/Cargo.toml b/parser/Cargo.toml
index 91d7da4..b779cfc 100644
--- a/parser/Cargo.toml
+++ b/parser/Cargo.toml
@@ -15,3 +15,7 @@ linked-hash-map = "0.5.3"
 
 [dev-dependencies]
 quickcheck = "0.9"
+
+[profile.release-lto]
+inherits = "release"
+lto = true