diff --git a/Cargo.toml b/Cargo.toml
index f8b3546..0f9d278 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "gt-tool"
-version = "3.0.0"
+version = "4.0.0-dev"
 edition = "2024"
 
 [dependencies]