diff --git a/Cargo.toml b/Cargo.toml
index 9428fca..9082630 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "rtcp"
-version = "0.3.4"
+version = "0.4.0"
 authors = ["Rain Liu <yliu@webrtc.rs>", "Michael Uti <utimichael9@gmail.com>"]
 edition = "2018"
 description = "A pure Rust implementation of RTCP"