diff --git a/package.json b/package.json
index e1dcb2b..e6db465 100644
--- a/package.json
+++ b/package.json
@@ -26,11 +26,11 @@
     "through2": "^2.0.0",
     "imacss": "~0.3.0",
     "gulp-svg2png": "~2.0.0",
-    "gulp-sass": "~2.1.0",
+    "gulp-sass": "^3.2.1",
     "svgo": "~0.5.0",
     "del": "~1.1.1",
     "xmldom": "~0.1.19",
-    "node-sass": "^3.4.1",
+    "node-sass": "^4.11.0",
     "object-assign": "^4.0.1",
     "vinyl-sourcemaps-apply": "^0.2.0"
   },