diff --git a/gateway/Cargo.toml b/gateway/Cargo.toml
index d9e81b91..76746e0b 100644
--- a/gateway/Cargo.toml
+++ b/gateway/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "openab-gateway"
-version = "0.1.0"
+version = "0.4.0"
 edition = "2021"
 
 [dependencies]