diff --git a/emails/package.json b/emails/package.json
index c8de033b507..b6c5bc187e1 100644
--- a/emails/package.json
+++ b/emails/package.json
@@ -4,7 +4,7 @@
   "description": "Grafana Email templates based on MJML",
   "author": "Grafana Labs",
   "devDependencies": {
-    "grunt": "1.0.1",
+    "grunt": "1.5.3",
     "grunt-assemble": "0.6.3",
     "grunt-cli": "^1.4.3",
     "grunt-contrib-clean": "2.0.0",