diff --git a/package.json b/package.json
index c59d08b5..6cd87278 100644
--- a/package.json
+++ b/package.json
@@ -15,13 +15,13 @@
     "express-writer": "0.0.4",
     "govuk_frontend_toolkit": "^4.2.1",
     "govuk_template_mustache": "^0.15.1",
-    "grunt": "0.4.5",
-    "grunt-cli": "0.1.13",
+    "grunt": "1.0.0",
+    "grunt-cli": "1.0.0",
     "grunt-concurrent": "0.4.3",
     "grunt-contrib-clean": "0.5.0",
     "grunt-contrib-copy": "0.5.0",
     "grunt-contrib-watch": "0.5.3",
-    "grunt-nodemon": "0.4.0",
+    "grunt-nodemon": "0.4.1",
     "grunt-sass": "^1.1.0",
     "grunt-text-replace": "0.3.12",
     "hogan.js": "3.0.2",