diff --git a/package.json b/package.json
index 9cdf1a6..b97092f 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "eslint-plugin-import": "^2.14.0",
     "mocha": "^6.0.0",
     "nyc": "^13.2.0",
-    "rollup": "^1.0.0",
+    "rollup": "^1.4.1",
     "rollup-plugin-babel": "^4.0.2"
   }
 }