--- a/Cargo.toml
+++ b/Cargo.toml
@@ -65,6 +65,12 @@
 [build-dependencies]
 syntect = { version = "4.4", default-features = false }
 
+[profile.release]
+codegen-units = 1
+lto = true
+opt-level = "z"
+panic = "abort"
+
 [features]
 default = ["online-tests"]
 online-tests = []