diff --git a/CHANGELOG.md b/CHANGELOG.md
index 113c923..5f84278 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog
 
-## Unreleased
+## v0.2.2
 
 - Use [clap](https://github.com/clap-rs/clap).
 
diff --git a/Cargo.lock b/Cargo.lock
index ecafd99..7a1e92d 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -19,7 +19,7 @@ dependencies = [
 
 [[package]]
 name = "alerter"
-version = "0.2.1"
+version = "0.2.2"
 dependencies = [
  "anyhow",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index c0f96b3..984b211 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "alerter"
-version = "0.2.1"
+version = "0.2.2"
 authors = ["ultram4rine <ultramarine730@gmail.com>"]
 edition = "2021"
 description = "Telegram bot for alerts from Alertmanager"