diff --git a/Cargo.toml b/Cargo.toml
index 94f64c9..c66ffe4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "optimizer"
-version = "0.3.1"
+version = "0.4.0"
 edition = "2024"
 rust-version = "1.88"
 license = "MIT"