diff --git a/.editorconfig b/.editorconfig
index 1f858e37..b306d046 100644
--- a/.editorconfig
+++ b/.editorconfig
@@ -11,3 +11,8 @@ insert_final_newline = true
 [**.{coffee,js,json}]
 indent_style = tab
 indent_size = 4
+
+# Use spaces in YAML.
+[**.{yml,yaml}]
+indent_style = spaces
+indent_size = 2
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 00000000..4ae5023f
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+sudo: false
+language: node_js
+node_js:
+  - 'stable'
+  - '6'
+  - '5'
+  - '4'
diff --git a/package.json b/package.json
index 80d8ad22..ee68f021 100644
--- a/package.json
+++ b/package.json
@@ -14,5 +14,9 @@
 	"dependencies": {
 		"got": "^6.3",
 		"moment-timezone": "^0.5.4"
+	},
+	"scripts": {
+		"test":       "node -e \"require('./index')\"",
+		"prepublish": "npm test"
 	}
 }