diff --git a/.npmignore b/.npmignore
index 4aac773..71ee934 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,2 +1,15 @@
-coverage
-.nyc_output
+.all-contributorsrc
+.bettercodehub.yml
+.editorconfig
+.github
+.gitignore
+.prettierignore
+.prettierrc.json
+.vscode
+CODE_OF_CONDUCT.md
+config
+jest.config.js
+src
+test
+tsconfig.json
+tslint.json
diff --git a/README.md b/README.md
index fb405da..cd53c1c 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
-[![GitHub Action](https://github.com/kamiazya/typedoc-plugin-mermaid/workflows/Node%20CI/badge.svg)](https://github.com/kamiazya/typedoc-plugin-mermaid/actions?workflow=Node+CI) [![CodeFactor](https://www.codefactor.io/repository/github/kamiazya/typedoc-plugin-mermaid/badge)](https://www.codefactor.io/repository/github/kamiazya/typedoc-plugin-mermaid) [![npm version](https://badge.fury.io/js/typedoc-plugin-mermaid.svg)](https://badge.fury.io/js/typedoc-plugin-mermaid) [![Maintainability](https://api.codeclimate.com/v1/badges/827855fa3daba03076b4/maintainability)](https://codeclimate.com/github/kamiazya/typedoc-plugin-mermaid/maintainability) [![Test Coverage](https://api.codeclimate.com/v1/badges/827855fa3daba03076b4/test_coverage)](https://codeclimate.com/github/kamiazya/typedoc-plugin-mermaid/test_coverage) [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fkamiazya%2Ftypedoc-plugin-mermaid.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fkamiazya%2Ftypedoc-plugin-mermaid?ref=badge_shield) [![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/prettier/prettier) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![typedoc-plugin-mermaid Dev Token](https://badge.devtoken.rocks/typedoc-plugin-mermaid)](https://devtoken.rocks/package/typedoc-plugin-mermaid) [![BCH compliance](https://bettercodehub.com/edge/badge/kamiazya/typedoc-plugin-mermaid?branch=master)](https://bettercodehub.com/)<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+[![GitHub Action](https://github.com/kamiazya/typedoc-plugin-mermaid/workflows/Node%20CI/badge.svg)](https://github.com/kamiazya/typedoc-plugin-mermaid/actions?workflow=Node+CI) [![CodeFactor](https://www.codefactor.io/repository/github/kamiazya/typedoc-plugin-mermaid/badge)](https://www.codefactor.io/repository/github/kamiazya/typedoc-plugin-mermaid) [![npm version](https://badge.fury.io/js/typedoc-plugin-mermaid.svg)](https://badge.fury.io/js/typedoc-plugin-mermaid) [![FOSSA Status](https://app.fossa.io/api/projects/git%2Bgithub.com%2Fkamiazya%2Ftypedoc-plugin-mermaid.svg?type=shield)](https://app.fossa.io/projects/git%2Bgithub.com%2Fkamiazya%2Ftypedoc-plugin-mermaid?ref=badge_shield) [![tested with jest](https://img.shields.io/badge/tested_with-jest-99424f.svg)](https://github.com/facebook/jest) [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg)](https://github.com/prettier/prettier) [![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![typedoc-plugin-mermaid Dev Token](https://badge.devtoken.rocks/typedoc-plugin-mermaid)](https://devtoken.rocks/package/typedoc-plugin-mermaid) [![BCH compliance](https://bettercodehub.com/edge/badge/kamiazya/typedoc-plugin-mermaid?branch=master)](https://bettercodehub.com/) [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg)](http://makeapullrequest.com)<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 # typedoc-plugin-mermaid
diff --git a/package.json b/package.json
index be218bb..e15a637 100644
--- a/package.json
+++ b/package.json
@@ -15,9 +15,6 @@
     "type": "github",
     "url": "https://github.com/sponsors/kamiazya"
   },
-  "files": [
-    "dist/"
-  ],
   "author": "kamiazya <yuki@kamiazya.tech>",
   "license": "MIT",
   "keywords": [