diff --git a/package.json b/package.json
index b206d698..df844aa9 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "gulp-jasmine": "3.0.0",
     "jasmine-core": "3.1.0",
     "rollup": "0.56.5",
-    "rollup-plugin-commonjs": "9.0.0",
+    "rollup-plugin-commonjs": "9.1.0",
     "rollup-plugin-node-resolve": "3.2.0",
     "run-sequence": "2.2.1",
     "tmp": "0.0.33"