diff --git a/package.json b/package.json
index 53ae8515..e36772b5 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
 		"grunt-wp-i18n": "1.0.3",
 		"jest": "25.5.2",
 		"load-grunt-tasks": "5.1.0",
-		"serialize-javascript": "2.1.2",
+		"serialize-javascript": "6.0.2",
 		"uglifyjs-webpack-plugin": "1.1.6",
 		"webpack": "4.41.2",
 		"webpack-cli": "3.3.11"