diff --git a/package.json b/package.json
index 48b0ac21..24bb32e9 100644
--- a/package.json
+++ b/package.json
@@ -20,6 +20,7 @@
     "dom": "^0.0.3",
     "dynamics-web-api": "^1.7.4",
     "express": "^4.17.2",
+    "fs": "^0.0.1-security",
     "govuk-frontend": "3.13.0",
     "https": "^1.0.0",
     "hyco-https": "^1.4.5",