diff --git a/.travis.yml b/.travis.yml
index 2ae9d62..f3fa8cd 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -2,4 +2,3 @@ language: node_js
 node_js:
   - '10'
   - '8'
-  - '6'
diff --git a/index.js b/index.js
index d4b6b37..f31cd5c 100644
--- a/index.js
+++ b/index.js
@@ -8,32 +8,33 @@ const args = [
 	'echo -n "_SHELL_ENV_DELIMITER_"; env; echo -n "_SHELL_ENV_DELIMITER_"; exit'
 ];
 
-function parseEnv(env) {
+const parseEnv = env => {
 	env = env.split('_SHELL_ENV_DELIMITER_')[1];
 	const ret = {};
 
 	for (const line of stripAnsi(env).split('\n').filter(line => Boolean(line))) {
-		const parts = line.split('=');
-		ret[parts.shift()] = parts.join('=');
+		const [key, ...values] = line.split('=');
+		ret[key] = values.join('=');
 	}
 
 	return ret;
-}
+};
 
-module.exports = shell => {
+module.exports = async shell => {
 	if (process.platform === 'win32') {
-		return Promise.resolve(process.env);
+		return process.env;
 	}
 
-	return execa(shell || defaultShell, args)
-		.then(result => parseEnv(result.stdout))
-		.catch(error => {
-			if (shell) {
-				throw error;
-			} else {
-				return process.env;
-			}
-		});
+	try {
+		const {stdout} = await execa(shell || defaultShell, args);
+		return parseEnv(stdout);
+	} catch (error) {
+		if (shell) {
+			throw error;
+		} else {
+			return process.env;
+		}
+	}
 };
 
 module.exports.sync = shell => {
diff --git a/package.json b/package.json
index 1bf6504..1d7c9bc 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava && tsd"
@@ -21,7 +21,6 @@
 	],
 	"keywords": [
 		"env",
-		"var",
 		"environment",
 		"variable",
 		"shell",
@@ -29,8 +28,7 @@
 		"zsh",
 		"bash",
 		"macos",
-		"electron",
-		"nwjs"
+		"electron"
 	],
 	"dependencies": {
 		"default-shell": "^1.0.1",
diff --git a/readme.md b/readme.md
index c360b81..dac81ec 100644
--- a/readme.md
+++ b/readme.md
@@ -2,7 +2,7 @@
 
 > Get [environment variables](https://en.wikipedia.org/wiki/Environment_variable) from the [shell](https://en.wikipedia.org/wiki/Shell_(computing))
 
-Especially useful for Electron/NW.js apps as GUI apps on macOS doesn't inherit the environment variables defined in your dotfiles *(.bashrc/.bash_profile/.zshrc/etc)*.
+Especially useful for Electron apps as GUI apps on macOS doesn't inherit the environment variables defined in your dotfiles *(.bashrc/.bash_profile/.zshrc/etc)*.
 
 
 ## Install