diff --git a/package.json b/package.json
index a8404455..dba0f5b3 100644
--- a/package.json
+++ b/package.json
@@ -51,7 +51,7 @@
     "gulp-jasmine": "4.0.0",
     "jasmine-core": "3.2.1",
     "rollup": "0.66.0",
-    "rollup-plugin-commonjs": "9.1.6",
+    "rollup-plugin-commonjs": "9.1.8",
     "rollup-plugin-node-resolve": "3.4.0",
     "run-sequence": "2.2.1",
     "tmp": "0.0.33"