diff --git a/package.json b/package.json
index 62fac3c1d8..d2bb49ba27 100644
--- a/package.json
+++ b/package.json
@@ -19,29 +19,29 @@
   "dependencies": {
     "baconjs": "^0.7.70",
     "browser-sync": "^2.8.0",
-    "browserify": "^10.2.4",
+    "browserify": "^12.0.0",
     "cheerio": "^0.17.0",
     "classnames": "^2.1.2",
     "envify": "^3.4.0",
     "esrever": "^0.1.0",
     "fs-extra": "^0.11.1",
-    "gulp": "^3.9.0",
+    "gulp": "^4.0.0",
     "gulp-concat": "^2.6.0",
-    "gulp-footer": "^1.0.5",
-    "gulp-header": "1.2.2",
-    "gulp-less": "^3.0.3",
+    "gulp-footer": "^2.1.0",
+    "gulp-header": "1.8.10",
+    "gulp-less": "^4.0.0",
     "gulp-rename": "^1.2.2",
     "gulp-replace": "^0.5.4",
     "gulp-run": "^1.6.8",
-    "gulp-sass": "^2.0.4",
-    "gulp-uglify": "^1.2.0",
+    "gulp-sass": "^5.0.0",
+    "gulp-uglify": "^2.0.0",
     "gulp-util": "^3.0.5",
     "jodoc": "git+https://github.com/kant2002/jodoc-js.git",
     "js-yaml": "^3.2.2",
-    "less": "^2.5.1",
+    "less": "^3.12.0",
     "ncp": "^2.0.0",
     "node-dir": "^0.1.6",
-    "node-sass": "^3.4.1",
+    "node-sass": "^7.0.2",
     "optimist": "^0.6.1",
     "preact": "^8.2.5",
     "preact-compat": "^3.17.0",