diff --git a/package.json b/package.json
index dfedc88..08e628b 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
   "devDependencies": {
     "ava": "^0.22.0",
     "chalk": "^2.0.1",
-    "coveralls": "^2.13.1",
+    "coveralls": "^2.13.3",
     "nyc": "^11.0.2",
     "standard": "^10.0.2",
     "standard-version": "^4.0.0"