diff --git a/package.json b/package.json
index f161b96..2e547e4 100644
--- a/package.json
+++ b/package.json
@@ -35,7 +35,7 @@
     "babel-plugin-istanbul": "^5.1.0",
     "benchmark": "^2.1.4",
     "chai": "^4.2.0",
-    "coveralls": "^3.0.2",
+    "coveralls": "^3.0.8",
     "cross-env": "^5.2.0",
     "eslint": "^5.13.0",
     "eslint-config-standard": "^12.0.0",