Merge pull request #42 from stipsan/greenkeeper-rollup-plugin-commonjs-4.0.1

greenkeeper-keeper(pr: 42): ✅

Author: stipsan

package.json

@@ -33,7 +33,7 @@
     "babel-preset-es2015-rollup": "^1.2.0",
     "rollup": "^0.34.13",
     "rollup-plugin-babel": "^2.6.0",
-    "rollup-plugin-commonjs": "^3.3.1",
+    "rollup-plugin-commonjs": "^4.0.1",
     "rollup-plugin-node-resolve": "^2.0.0"
   }
 }