diff --git a/.editorconfig b/.editorconfig
index 1b0b5e1..16849e0 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -1,22 +1,24 @@
-# http://editorconfig.org
+# https://editorconfig.org
 
 root = true
 
-[*.js]
+[*.{css,less,scss,js,html,jshtml,md}]
 indent_style = tab
+end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
 
-[*.md]
-indent_style = tab
+[*.{json,rb,yaml,yml}]
+indent_style = space
+indent_size = 2
+end_of_line = lf
 charset = utf-8
-trim_trailing_whitespace = false
+trim_trailing_whitespace = true
 insert_final_newline = true
 
-[{.editorconfig,.eslintrc.yaml,.gitignore,.npmignore,.sublimelinterrc,.travis.yml,package.json}]
-indent_style = space
-indent_size = 2
+[{.editorconfig,.gitignore,.npmignore}]
+end_of_line = lf
 charset = utf-8
 trim_trailing_whitespace = true
 insert_final_newline = true
diff --git a/index.js b/index.js
index 25d49a0..dd4b491 100644
--- a/index.js
+++ b/index.js
@@ -246,9 +246,30 @@ module.exports = class Cli {
 	}
 
 	//-- Accept only this flag
-	static acceptOnlyFlag(meowCli, flag) {
-		if (Object.keys(meowCli.flags).length === 1 && meowCli.flags[flag]) {
-			return meowCli.flags[flag];
+	static acceptOnlyFlag(meowCli, allowedFlag) {
+		const result = this.acceptOnlyFlags(meowCli, [allowedFlag]);
+
+		if (typeof result === 'object') {
+			return result[allowedFlag] || false;
+		}
+
+		return result;
+	}
+
+	//-- Accept only these flags
+	static acceptOnlyFlags(meowCli, allowedFlags) {
+		const inputFlags = Object.keys(meowCli.flags);
+
+		if (inputFlags.length <= allowedFlags.length) {
+			const areFlagsValid = inputFlags.every((flag) => {
+				return allowedFlags.includes(flag);
+			});
+
+			if (areFlagsValid) {
+				return meowCli.flags;
+			}
+
+			this.showTaskUsage(meowCli);
 
 		} else if (Object.keys(meowCli.flags).length !== 0) {
 			this.showTaskUsage(meowCli);
diff --git a/license b/license
index 183eefe..a499a25 100644
--- a/license
+++ b/license
@@ -1,6 +1,6 @@
 The MIT License (MIT)
 
-Copyright (c) 2011-2018 Absolunet, http://absolunet.com
+Copyright (c) 2011-2018 Absolunet, https://absolunet.com
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
diff --git a/package.json b/package.json
index 593623a..5aa6d2b 100644
--- a/package.json
+++ b/package.json
@@ -1,12 +1,12 @@
 {
   "name": "@absolunet/cli",
-  "version": "0.5.1",
+  "version": "0.6.0",
   "description": "CLI utilities",
   "definition": "",
   "homepage": "https://github.com/absolunet/node-cli",
   "author": {
     "name": "Absolunet",
-    "url": "http://absolunet.com/"
+    "url": "https://absolunet.com"
   },
   "license": "MIT",
   "repository": {
@@ -17,22 +17,22 @@
     "url": "https://github.com/absolunet/node-cli/issues"
   },
   "engines": {
-    "node": ">= 9.8.0"
+    "node": ">= 10.5.0"
   },
   "scripts": {
     "test": "ava test"
   },
   "devDependencies": {
-    "@absolunet/tester": "1.4.0"
+    "@absolunet/tester": "1.7.1"
   },
   "dependencies": {
-    "@absolunet/terminal": "^0.4.4",
+    "@absolunet/terminal": "^0.5.0",
     "@absolunet/terminal-pad": "^0.0.2",
-    "chalk": "^2.3.2",
+    "chalk": "^2.4.1",
     "glob": "^7.1.2",
     "indent-string": "^3.2.0",
-    "omelette": "^0.4.5",
-    "read-pkg-up": "^3.0.0",
+    "omelette": "^0.4.11",
+    "read-pkg-up": "^4.0.0",
     "string-width": "^2.1.1"
   }
 }
diff --git a/readme.md b/readme.md
index d4b1755..96157c1 100644
--- a/readme.md
+++ b/readme.md
@@ -1,9 +1,10 @@
 # @absolunet/cli
 
-[![NPM version](https://img.shields.io/npm/v/@absolunet/cli.svg)](https://www.npmjs.com/package/@absolunet/cli)
-[![Travis build](https://api.travis-ci.org/absolunet/node-cli.svg?branch=master)](https://travis-ci.org/absolunet/node-cli/builds)
-[![Dependencies](https://david-dm.org/absolunet/node-cli/status.svg)](https://david-dm.org/absolunet/node-cli)
-[![Dev dependencies](https://david-dm.org/absolunet/node-cli/dev-status.svg)](https://david-dm.org/absolunet/node-cli?type=dev)
+[![npm](https://img.shields.io/npm/v/@absolunet/cli.svg)](https://www.npmjs.com/package/@absolunet/cli)
+[![npm dependencies](https://david-dm.org/absolunet/node-cli/status.svg)](https://david-dm.org/absolunet/node-cli)
+[![npms](https://badges.npms.io/%40absolunet%2Fcli.svg)](https://npms.io/search?q=%40absolunet%2Fcli)
+[![Travis CI](https://api.travis-ci.org/absolunet/node-cli.svg?branch=master)](https://travis-ci.org/absolunet/node-cli/builds)
+[![Code style ESLint](https://img.shields.io/badge/code_style-@absolunet/node-659d32.svg)](https://github.com/absolunet/eslint-config-node)
 
 > CLI utilities
 
@@ -280,6 +281,7 @@ meow object
 
 ### `acceptOnlyFlag(meowCli, flag)`
 Show task usage and quit if CLI call has flags that are not whitelisted
+Return flag value
 
 #### meowCli
 *Required*<br>
@@ -294,6 +296,25 @@ Whitelisted flag
 
 
 
+<br>
+
+### `acceptOnlyFlags(meowCli, flag)`
+Show task usage and quit if CLI call has flags that are not whitelisted
+Return `object` of flags values
+
+#### meowCli
+*Required*<br>
+Type: `object`<br>
+meow object
+
+#### refuseFlagsAndArguments
+*Required*<br>
+Type: `array` of `string`<br>
+Whitelisted flags
+
+
+
+
 <br>
 
 ### `isRoot()`
diff --git a/test/index.js b/test/index.js
index 658f932..2e4510b 100644
--- a/test/index.js
+++ b/test/index.js
@@ -6,3 +6,5 @@
 const tester = require('@absolunet/tester');
 
 tester.lintJs();
+tester.lintJson();
+tester.lintYaml();