diff --git a/package.json b/package.json
index a92b16f..f62aa7c 100644
--- a/package.json
+++ b/package.json
@@ -14,13 +14,13 @@
     "del": "^1.1.1",
     "event-stream": "^3.1.7",
     "glob": "^4.5.3",
-    "gulp": "^3.8.10",
+    "gulp": "^4.0.0",
     "gulp-cached": "^1.0.4",
     "gulp-chmod": "^1.2.0",
     "gulp-connect": "^2.2.0",
     "gulp-filter": "^1.0.2",
     "gulp-htmlclean": "^2.2.3",
-    "gulp-imagemin": "^1.2.1",
+    "gulp-imagemin": "^3.0.0",
     "gulp-jscs": "^1.4.0",
     "gulp-jshint": "^1.9.0",
     "gulp-karma": "0.0.4",