diff --git a/UI/WebServerResources/package.json b/UI/WebServerResources/package.json
index 80c8c03d9..af7444b85 100644
--- a/UI/WebServerResources/package.json
+++ b/UI/WebServerResources/package.json
@@ -21,10 +21,10 @@
     "autoprefixer": "^9.8.4",
     "breakpoint-sass": ">=2.4.2",
     "csswring": ">=3.0.0",
-    "grunt": "^1.1.0",
+    "grunt": "^1.2.1",
     "grunt-contrib-cssmin": ">=1.0.0",
     "grunt-contrib-jshint": ">=0.11.2",
-    "grunt-contrib-uglify": ">=0.9",
+    "grunt-contrib-uglify": "^5.0.0",
     "grunt-contrib-watch": ">=0.5.3",
     "grunt-cssnano": "^2.1.0",
     "grunt-ng-annotate": "^4.0.0",