diff --git a/Cargo.toml b/Cargo.toml
index 96d5207..a8f9d59 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "a653rs-postcard"
-version = "0.3.0"
+version = "0.4.0"
 edition = "2021"
 authors = ["Sven Friedrich <sven.friedrich@dlr.de>"]
 license = "MIT OR Apache-2.0"