diff --git a/Cargo.toml b/Cargo.toml
index f8408f1..261f79b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "icarus_models"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2024"
 rust-version = "1.86"
 description = "models used for the icarus project"