diff --git a/.travis.yml b/.travis.yml
index 9efad1a..225084f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -3,4 +3,3 @@ language: node_js
 node_js:
   - '10'
   - '8'
-  - '6'
diff --git a/package.json b/package.json
index a64be93..529fc81 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
 		"url": "sindresorhus.com"
 	},
 	"engines": {
-		"node": ">=6"
+		"node": ">=8"
 	},
 	"scripts": {
 		"test": "xo && ava"
@@ -42,7 +42,7 @@
 	],
 	"dependencies": {
 		"ansi-escapes": "^3.1.0",
-		"iterm2-version": "^3.0.0"
+		"iterm2-version": "^4.0.0"
 	},
 	"devDependencies": {
 		"ava": "^0.25.0",