diff --git a/UI/WebServerResources/package.json b/UI/WebServerResources/package.json
index 7cdb87e66..31330f06f 100644
--- a/UI/WebServerResources/package.json
+++ b/UI/WebServerResources/package.json
@@ -27,7 +27,7 @@
     "grunt-contrib-watch": ">=0.5.3",
     "grunt-ng-annotate": ">=0.10.0",
     "grunt-postcss": ">=0.6.0",
-    "grunt-sass": "^3.0.0",
+    "grunt-sass": "^3.1.0",
     "kss": ">=2.1.0",
     "node-sass": "^4.12.0",
     "time-grunt": "latest"