diff --git a/Cargo.toml b/Cargo.toml
index c10ada5..a8d91cd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -61,6 +61,5 @@ wee_alloc = { version = "0.4.2", optional = true }
 wasm-bindgen-test = "0.2"
 
 [profile.release]
-# Tell `rustc` to optimize for small code size.
-opt-level = "s"
+opt-level = 3
 lto = true
\ No newline at end of file