diff --git a/package.json b/package.json
index c59d08b5..b308964f 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "basic-auth-connect": "1.0.0",
     "browser-sync": "^2.10.0",
     "consolidate": "0.x",
-    "express": "4.13.3",
+    "express": "4.17.3",
     "express-nunjucks": "^0.9.5",
     "express-writer": "0.0.4",
     "govuk_frontend_toolkit": "^4.2.1",
@@ -20,7 +20,7 @@
     "grunt-concurrent": "0.4.3",
     "grunt-contrib-clean": "0.5.0",
     "grunt-contrib-copy": "0.5.0",
-    "grunt-contrib-watch": "0.5.3",
+    "grunt-contrib-watch": "0.6.0",
     "grunt-nodemon": "0.4.0",
     "grunt-sass": "^1.1.0",
     "grunt-text-replace": "0.3.12",