closes #1

Author: David Chase

package.json

@@ -7,7 +7,7 @@
     "url": "https://github.com/davidchase/path-union/issues"
   },
   "devDependencies": {
-    "buba": "1.0.6",
+    "buba": "2.0.0",
     "rollup-plugin-buble": "0.12.1",
     "tap-spec": "4.1.1",
     "tape": "4.6.0"
@@ -26,6 +26,6 @@
   },
   "scripts": {
     "build": "mkdir -p dist && rollup -c",
-    "test": "tape --require buba test.js | tap-spec"
+    "test": "tape --require buba/register test.js | tap-spec"
   }
 }