diff --git a/IPv6_display/ipv6_display/static/incubator-echarts-4.2.1/package.json b/IPv6_display/ipv6_display/static/incubator-echarts-4.2.1/package.json
index eea3361..dd7a008 100644
--- a/IPv6_display/ipv6_display/static/incubator-echarts-4.2.1/package.json
+++ b/IPv6_display/ipv6_display/static/incubator-echarts-4.2.1/package.json
@@ -31,7 +31,7 @@
     "estraverse": "4.1.1",
     "fs-extra": "0.26.7",
     "glob": "7.0.0",
-    "rollup": "0.50.0",
+    "rollup": "2.79.2",
     "rollup-plugin-node-resolve": "3.0.0",
     "rollup-plugin-uglify": "2.0.1"
   }