diff --git a/package.json b/package.json
index a355a61..ba688f4 100644
--- a/package.json
+++ b/package.json
@@ -34,7 +34,7 @@
     "uglify-js": "^3.3.18"
   },
   "devDependencies": {
-    "coveralls": "^3.0.0",
+    "coveralls": "^3.0.1",
     "istanbul": "^0.4.5",
     "tressa": "^0.3.1"
   }