diff --git a/CHANGELOG.md b/CHANGELOG.md
new file mode 100644
index 0000000..d9244a7
--- /dev/null
+++ b/CHANGELOG.md
@@ -0,0 +1,11 @@
+# Changelog
+
+## [v0.0.1](https://github.com/Songmu/deglacer/compare/5a9974a4dc86...v0.0.1) (2021-09-13)
+
+* add version.go [#9](https://github.com/Songmu/deglacer/pull/9) ([Songmu](https://github.com/Songmu))
+* support signature verification using signing secret [#7](https://github.com/Songmu/deglacer/pull/7) ([Songmu](https://github.com/Songmu))
+* implement graceful shutdown [#5](https://github.com/Songmu/deglacer/pull/5) ([Songmu](https://github.com/Songmu))
+* support context [#4](https://github.com/Songmu/deglacer/pull/4) ([Songmu](https://github.com/Songmu))
+* drop avatar icon [#3](https://github.com/Songmu/deglacer/pull/3) ([Songmu](https://github.com/Songmu))
+* deploy to heroku [#2](https://github.com/Songmu/deglacer/pull/2) ([Songmu](https://github.com/Songmu))
+* Avatar [#1](https://github.com/Songmu/deglacer/pull/1) ([Songmu](https://github.com/Songmu))
diff --git a/version.go b/version.go
index 7c5da0d..db2d202 100644
--- a/version.go
+++ b/version.go
@@ -1,5 +1,5 @@
 package deglacer
 
-const version = "0.0.0"
+const version = "0.0.1"
 
 var revision = "HEAD"