diff --git a/index.js b/index.js
index 195af43..03aea19 100644
--- a/index.js
+++ b/index.js
@@ -24,9 +24,9 @@ module.exports = shell => {
 
 	return execa(shell || defaultShell, args)
 		.then(result => parseEnv(result.stdout))
-		.catch(err => {
+		.catch(error => {
 			if (shell) {
-				throw err;
+				throw error;
 			} else {
 				return process.env;
 			}
@@ -41,9 +41,9 @@ module.exports.sync = shell => {
 	try {
 		const {stdout} = execa.sync(shell || defaultShell, args);
 		return parseEnv(stdout);
-	} catch (err) {
+	} catch (error) {
 		if (shell) {
-			throw err;
+			throw error;
 		} else {
 			return process.env;
 		}
diff --git a/package.json b/package.json
index 913cf04..d86ccb3 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
 	],
 	"dependencies": {
 		"default-shell": "^1.0.1",
-		"execa": "^0.10.0",
+		"execa": "^1.0.0",
 		"strip-ansi": "^4.0.0"
 	},
 	"devDependencies": {