diff --git a/Cargo.toml b/Cargo.toml
index 97baf1c..9ede067 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ name = "init4-bin-base"
 description = "Internal utilities for binaries produced by the init4 team"
 keywords = ["init4", "bin", "base"]
 
-version = "0.3.4"
+version = "0.4.0"
 edition = "2021"
 rust-version = "1.81"
 authors = ["init4", "James Prestwich"]