diff --git a/package.json b/package.json
index a853080c..d0361584 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "supertest-as-promised": "^4.0.2",
     "jsdoc-to-markdown": "^3.0.1",
     "markdown-doctest": "^0.9.1",
-    "rollup": "^0.51.2",
+    "rollup": "^0.51.5",
     "nyc": "^11.3.0"
   },
   "contributors": [