diff --git a/package.json b/package.json
index 6658b06..149f12c 100644
--- a/package.json
+++ b/package.json
@@ -36,6 +36,8 @@
     "coveralls": "2.11.9",
     "es6-promisify": "3.0.0",
     "eslint": "2.7.0",
+    "es6-promisify": "4.0.0",
+    "eslint": "2.7.0",
     "fs-extra": "0.26.7",
     "nyc": "6.2.1",
     "tempfile": "1.1.1"