diff --git a/package.json b/package.json
index 1babb40..37fe174 100644
--- a/package.json
+++ b/package.json
@@ -77,7 +77,7 @@
     "rimraf": "^2.6.2",
     "rollup": "^0.52.0",
     "rollup-plugin-buble": "^0.18.0",
-    "rollup-plugin-commonjs": "^8.2.1",
+    "rollup-plugin-commonjs": "^9.0.0",
     "rollup-plugin-node-resolve": "^3.0.0",
     "rollup-plugin-replace": "^2.0.0",
     "rollup-plugin-scss": "^0.4.0",