diff --git a/package.json b/package.json
index 017f90f..dbc7806 100644
--- a/package.json
+++ b/package.json
@@ -24,7 +24,7 @@
     "babel-plugin-transform-async-to-generator": "^6.7.4",
     "babel-plugin-transform-es2015-modules-commonjs": "^6.18.0",
     "babel-preset-power-assert": "^1.0.0",
-    "coveralls": "^2.11.9",
+    "coveralls": "^2.13.1",
     "eslint": "^3.13.1",
     "eslint-config-airbnb-base": "^11.0.1",
     "eslint-plugin-import": "^2.2.0",