diff --git a/deriving_via/Cargo.toml b/deriving_via/Cargo.toml
index ee7591f..6070d69 100644
--- a/deriving_via/Cargo.toml
+++ b/deriving_via/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "deriving_via"
-version = "0.3.2"
+version = "1.0.0"
 edition = "2021"
 authors = ["MitamaLab <mitama@mitama.tech>"]
 description = "DerivingVia"