diff --git a/package.json b/package.json
index d78a1de..a5f1908 100644
--- a/package.json
+++ b/package.json
@@ -22,6 +22,7 @@
     "path-to-regexp": "^2.1.0",
     "prop-types": "^15.5.10",
     "qs": "^6.5.0",
+    "query-string": "^6.0.0",
     "rc-tween-one": "^1.3.1",
     "react-adsense": "^0.0.5",
     "react-countup": "^3.0.2",