diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8d6216d..27044f0 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
-## 0.3.0
+## v1.0.0
+
+- upgrade http_spec to v3.0.0
+
+## v0.3.0
 
 - change return value of `AlipayKit.V3.verify_response/2` from `{:ok, map()} | {:error, :bad_response | :bad_signature}` to `:ok | {:error, :bad_response | :bad_signature}`
diff --git a/mix.exs b/mix.exs
index 166e507..ea6ead2 100644
--- a/mix.exs
+++ b/mix.exs
@@ -1,7 +1,7 @@
 defmodule AlipayKit.MixProject do
   use Mix.Project
 
-  @version "0.3.0"
+  @version "1.0.0"
   @description "A kit for Alipay."
   @source_url "https://github.com/cozy-elixir/alipay_kit"
   @changelog_url "https://github.com/cozy-elixir/alipay_kit/blob/v#{@version}/CHANGELOG.md"