diff --git a/package.json b/package.json
index 3e87003..268a185 100644
--- a/package.json
+++ b/package.json
@@ -3,8 +3,8 @@
   "version": "1.0.0",
   "description": "koonic: An Ionic project",
   "dependencies": {
-    "gulp": "^3.5.6",
-    "gulp-sass": "^1.3.3",
+    "gulp": "^4.0.0",
+    "gulp-sass": "^2.0.0",
     "gulp-concat": "^2.2.0",
     "gulp-minify-css": "^0.3.0",
     "gulp-rename": "^1.2.0"