diff --git a/package.json b/package.json
index 1f9e94d..ab4336c 100644
--- a/package.json
+++ b/package.json
@@ -59,7 +59,7 @@
     "istanbul": "^0.4.5",
     "mocha": "^3.5.0",
     "pump": "^1.0.2",
-    "rollup": "^0.48.2",
+    "rollup": "^0.49.1",
     "rollup-plugin-babel": "^3.0.2",
     "rollup-plugin-istanbul": "^1.0.0",
     "rollup-watch": "^4.3.1"