diff --git a/package.json b/package.json
index 280dd80..24a8c13 100644
--- a/package.json
+++ b/package.json
@@ -71,7 +71,7 @@
     "raven-js": "3.18.0",
     "rxjs": "5.4.3",
     "scroll-behaviour": "0.3.4",
-    "serialize-javascript": "1.4.0",
+    "serialize-javascript": "4.0.0",
     "web-animations-js": "2.3.1",
     "window.requestanimationframe": "1.0.1",
     "xlsx": "0.11.5",