diff --git a/Cargo.toml b/Cargo.toml
index 3bc41719..1994d06d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -53,5 +53,9 @@ js-sys = "0.3.72"
 web-sys = "0.3.72"
 syn = "2.0"
 
+[profile.release]
+codegen-units = 1
+lto = true
+
 [patch.crates-io]
 umya-spreadsheet = { git = "https://github.com/PSU3D0/umya-spreadsheet.git", rev = "4b64d65daf19bba79800951cd38920d7eb95320c" }