diff --git a/Cargo.toml b/Cargo.toml
index 50ee9797..7c82befd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -154,5 +154,5 @@ lto = "off"
 [profile.release]
 lto = true
 codegen-units = 1
-opt-level = "s"
+opt-level = 3
 strip = true