diff --git a/package.json b/package.json
index 60cd716..2c55d4b 100644
--- a/package.json
+++ b/package.json
@@ -48,7 +48,7 @@
   "devDependencies": {
     "ava": "^0.18.0",
     "babel-preset-es2015-node6": "^0.4.0",
-    "coveralls": "^2.11.15",
+    "coveralls": "^3.1.1",
     "eslint": "^3.14.1",
     "eslint-config-standard": "^6.2.1",
     "eslint-plugin-promise": "^3.4.0",