diff --git a/package.json b/package.json
index 9f049ff5e..8654c99ee 100644
--- a/package.json
+++ b/package.json
@@ -41,12 +41,12 @@
     "chart.js": "2.7.3",
     "eslint": "^5.8.0",
     "eslint-plugin-vue": "^5.0.0-0",
-    "gulp": "^3.9.1",
+    "gulp": "4.0.2",
     "gulp-concat": "^2.6.0",
-    "gulp-flatten": "^0.2.0",
-    "gulp-rename": "^1.2.2",
-    "gulp-uglify": "^1.5.3",
-    "gulp-uglifycss": "^1.0.6",
+    "gulp-flatten": "0.4.0",
+    "gulp-rename": "2.0.0",
+    "gulp-uglify": "3.0.2",
+    "gulp-uglifycss": "1.1.0",
     "primeflex": "2.0.0",
     "primeicons": "4.0.0",
     "prismjs": "^1.15.0",