diff --git a/package.json b/package.json
index cc106fc..df24e06 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "devDependencies": {
     "d3-array": "0.7",
     "json2module": "0.0",
-    "rollup": "0.25",
+    "rollup": "0.26",
     "tape": "4",
     "uglify-js": "2"
   }