diff --git a/.bmp.yml b/.bmp.yml
index 3d85af1..2718ca6 100644
--- a/.bmp.yml
+++ b/.bmp.yml
@@ -1,4 +1,4 @@
-version: 0.2.0
+version: 0.3.0
 commit: 'chore: bump to v%.%.%'
 files:
   README.md:
diff --git a/README.md b/README.md
index b6e6da8..eef3a2c 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <img src="https://raw.githubusercontent.com/capsidjs/capsule/master/capsule-logo.svg" width="70" alt="capsule" />
 
-# Capsule v0.2.0
+# Capsule v0.3.0
 
 > Event-driven DOM programming in a new style
 
@@ -178,7 +178,7 @@ import { component } from "@kt3k/capsule";
 Mirrors input value of `<input>` element to another dom.
 
 ```js
-import { component } from "https://deno.land/x/capsule@v0.2.0/mod.ts";
+import { component } from "https://deno.land/x/capsule@v0.3.0/mod.ts";
 
 const { on } = component("mirroring");
 
@@ -190,7 +190,7 @@ on.input = ({ query }) => {
 Pubsub.
 
 ```js
-import { component } from "https://deno.land/x/capsule@v0.2.0/mod.ts";
+import { component } from "https://deno.land/x/capsule@v0.3.0/mod.ts";
 
 const EVENT = "my-event";
 
@@ -216,7 +216,7 @@ const EVENT = "my-event";
 Bubbling events.
 
 ```js
-import { component } from "https://deno.land/x/capsule@v0.2.0/mod.ts";
+import { component } from "https://deno.land/x/capsule@v0.3.0/mod.ts";
 
 const { on } = component("my-component");
 
@@ -280,7 +280,7 @@ on(".btn").click = ({ e }) => {
 # API reference
 
 ```ts
-const { component, mount } from "https://deno.land/x/capsule@v0.2.0/mod.ts";
+const { component, mount } from "https://deno.land/x/capsule@v0.3.0/mod.ts";
 ```
 
 ## `component(name): ComponentResult`
@@ -484,6 +484,7 @@ unmount("my-component", el);
 
 # History
 
+- 2022-01-11 v0.3.0 Add `unmount`.
 - 2022-01-11 v0.2.0 Change delegation syntax.
 
 # License
diff --git a/dnt.ts b/dnt.ts
index de00031..4cdea98 100644
--- a/dnt.ts
+++ b/dnt.ts
@@ -17,7 +17,7 @@ await build({
   test: true,
   package: {
     name: "@kt3k/capsule",
-    version: "0.2.0",
+    version: "0.3.0",
     description: "Event-driven DOM programming in a new style",
     license: "MIT",
     repository: {
diff --git a/mod.ts b/mod.ts
index 4641af9..97f7be0 100644
--- a/mod.ts
+++ b/mod.ts
@@ -1,4 +1,4 @@
-/*! Capsule v0.2.0 | Copyright 2022 Yoshiya Hinosawa and Capsule contributors | MIT license */
+/*! Capsule v0.3.0 | Copyright 2022 Yoshiya Hinosawa and Capsule contributors | MIT license */
 import { documentReady, logEvent } from "./util.ts";
 
 interface Initializer {