diff --git a/package.json b/package.json
index 2709c94..a64f785 100644
--- a/package.json
+++ b/package.json
@@ -4,6 +4,7 @@
   "main": "main.js",
   "description": "Implementation for the syndication indicator, for users who subscribe to the new FT syndication platform",
   "devDependencies": {
+    "@babel/runtime": "^7.10.2",
     "@financial-times/n-gage": "^5.1.2",
     "@financial-times/n-heroku-tools": "^8.0.0",
     "autoprefixer": "^6.3.6",