diff --git a/ui/package.json b/ui/package.json
index c4638552..8d0cc403 100644
--- a/ui/package.json
+++ b/ui/package.json
@@ -78,7 +78,7 @@
     "gulp-rev": "~2.0.1",
     "gulp-rev-replace": "~0.3.1",
     "gulp-ruby-sass": "~0.7.1",
-    "gulp-sass": "^2.3.2",
+    "gulp-sass": "^3.1.0",
     "gulp-size": "~1.1.0",
     "gulp-uglify": "3.0.0",
     "gulp-uglify-es": "^1.0.4",