diff --git a/package-lock.json b/package-lock.json
index 2f2a17a..2510594 100644
--- a/package-lock.json
+++ b/package-lock.json
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+        "resolve-options": "^1.1.0",
+        "through2": "^2.0.0",
+        "to-through": "^2.0.0",
+        "value-or-function": "^3.0.0",
+        "vinyl": "^2.0.0",
+        "vinyl-sourcemap": "^1.1.0"
       }
     },
     "vinyl-sourcemap": {
diff --git a/package.json b/package.json
index 642656a..deb0372 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "eslint-plugin-node": "^5.1.0",
     "eslint-plugin-promise": "^3.5.0",
     "eslint-plugin-standard": "^3.0.1",
-    "gulp": "^3.9.1",
+    "gulp": "^4.0.2",
     "gulp-eslint": "^4.0.0",
     "gulp-nodemon": "^2.2.1",
     "bcryptjs": "^2.4.3",