diff --git a/package.json b/package.json
index 2edf6e4..4883fc2 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "babel-eslint": "5.0.0",
     "babel-preset-nodejs-lts": "1.2.1",
     "babel-register": "6.6.5",
-    "coveralls": "2.11.6",
+    "coveralls": "2.11.9",
     "es6-promisify": "3.0.0",
     "eslint": "2.2.0",
     "fs-extra": "0.26.7",