diff --git a/package.json b/package.json
index 20676a0..cfeafe9 100644
--- a/package.json
+++ b/package.json
@@ -35,11 +35,11 @@
     "extract-text-webpack-plugin": "^1.0.1",
     "faker": "^3.1.0",
     "github": "^2.0.1",
-    "gulp": "^3.8.11",
+    "gulp": "^4.0.0",
     "gulp-babel": "^6.1.2",
     "gulp-concat": "^2.5.2",
-    "gulp-eslint": "^0.14.0",
-    "gulp-istanbul": "^0.9.0",
+    "gulp-eslint": "^2.0.0",
+    "gulp-istanbul": "^1.1.2",
     "gulp-livereload": "^3.7.0",
     "gulp-minify-css": "^0.4.6",
     "gulp-mocha": "^2.0.0",
@@ -53,7 +53,7 @@
     "gulp-uglify": "^1.1.0",
     "history": "^3.0.0",
     "json-loader": "^0.5.4",
-    "lodash": "^3.9.3",
+    "lodash": "^4.17.17",
     "markdown": "^0.5.0",
     "material-ui": "^0.15.1",
     "nodemailer": "^2.4.2",
@@ -88,7 +88,7 @@
     "run-sequence": "^1.0.2",
     "sass-loader": "^3.2.1",
     "sequelize": "^3.23.3",
-    "sequelize-handlers": "^0.1.7",
+    "sequelize-handlers": "^0.2.0",
     "serve-favicon": "^2.2.0",
     "socket.io": "^1.3.4",
     "socket.io-client": "^1.3.5",