diff --git a/package.json b/package.json
index 1104e15..0c89fe3 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "babel-plugin-add-module-exports": "0.2.1",
     "babel-preset-es2015-node4": "2.1.0",
     "chai": "3.5.0",
-    "coveralls": "2.11.9",
+    "coveralls": "2.11.13",
     "cz-conventional-changelog": "1.1.6",
     "isparta": "4.0.0",
     "jsdoc-to-markdown": "1.3.6",