diff --git a/Cargo.toml b/Cargo.toml
index 14dca17..3664f0a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -32,7 +32,7 @@ opt-level = 0
 debug = true
 
 [profile.release]
-opt-level = 5
+opt-level = 3
 debug = false
 panic = "unwind"
 lto = true