diff --git a/Cargo.toml b/Cargo.toml
index 237b13b278..83d0b2d386 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "quiche"
-version = "0.3.0"
+version = "0.4.0"
 authors = ["Alessandro Ghedini <alessandro@ghedini.me>"]
 edition = "2018"
 build = "src/build.rs"