diff --git a/package.json b/package.json
index 201a490..ce251ea 100644
--- a/package.json
+++ b/package.json
@@ -10,11 +10,11 @@
   "license": "MIT",
   "devDependencies": {
     "browser-sync": "^2.24.5",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-autoprefixer": "^5.0.0",
     "gulp-file-include": "^2.0.1",
     "gulp-rimraf": "^0.2.2",
-    "gulp-sass": "^4.0.1",
+    "gulp-sass": "^5.0.0",
     "gulp-sourcemaps": "^2.6.4",
     "run-sequence": "^2.2.1"
   }