diff --git a/nh_eobs_mobile/static/dev/less/package.json b/nh_eobs_mobile/static/dev/less/package.json
index 8ddbd88c..a18c909e 100644
--- a/nh_eobs_mobile/static/dev/less/package.json
+++ b/nh_eobs_mobile/static/dev/less/package.json
@@ -4,7 +4,7 @@
   "author": "Colin Wren (Neovahealth) <colin@neovahealth.co.uk>",
   "dependencies": {
     "gulp": "3.9.0",
-    "del": "1.1.1",
+    "del": "8.0.0",
     "less": "2.5.1",
     "gulp-kss": "0.0.2",
     "gulp-less": "3.0.5",