diff --git a/package.json b/package.json
index d84293e64..56bfee597 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "react-stockcharts",
   "version": "0.7.8",
+  "sideEffects": false,
   "description": "Highly customizable stock charts with ReactJS and d3",
   "main": "src/index.js",
   "module": "src/index.js",