diff --git a/package.json b/package.json
index c93a4b9..7331d7d 100644
--- a/package.json
+++ b/package.json
@@ -15,6 +15,8 @@
     "babel-polyfill": "^6.9.1",
     "babel-preset-es2015-node5": "*",
     "babel-preset-stage-3": "*",
+    "gulp": "^3.9.1",
+    "gulp-build": "^0.5.3",
     "nyc": "^11.4.1",
     "yamljs": "^0.3.0"
   },