diff --git a/Cargo.toml b/Cargo.toml
index 5eba9ad..7f3a9bd 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "eetf"
-version = "0.4.0"
+version = "0.5.0"
 authors = ["Takeru Ohta <phjgt308@gmail.com>"]
 description = "Library for encoding/decoding Erlang External Term Format"
 documentation = "https://docs.rs/eetf"