diff --git a/package.json b/package.json
index 63edf9ce..940d9c71 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "gulp-concat-css": "^2.3.0",
     "gulp-connect": "^5.0.0",
     "gulp-css-flip": "^0.4.0",
-    "gulp-sass": "^2.3.2",
+    "gulp-sass": "^5.0.0",
     "gulp-util": "^3.0.7",
     "material-design-lite": "^1.2.0",
     "phantomjs-prebuilt": "^2.1.13",