diff --git a/package.json b/package.json
index 6aacfa094..4d9953736 100644
--- a/package.json
+++ b/package.json
@@ -114,7 +114,7 @@
     "gulp-autoprefixer": "^5.0.0",
     "gulp-debug": "^3.2.0",
     "gulp-eslint": "^4.0.0",
-    "gulp-sass": "^3.1.0",
+    "gulp-sass": "^4.0.0",
     "hat": "0.0.3",
     "human-standard-token-abi": "^1.0.2",
     "idb-global": "^2.1.0",