diff --git a/node_modules/error-ex/package.json b/node_modules/error-ex/package.json
index 01f328d44e..335acf734d 100644
--- a/node_modules/error-ex/package.json
+++ b/node_modules/error-ex/package.json
@@ -38,7 +38,7 @@
     "istanbul": "^0.3.17",
     "mocha": "^2.2.5",
     "should": "^7.0.1",
-    "xo": "^0.7.1"
+    "xo": "^0.8.0"
   },
   "dependencies": {
     "is-arrayish": "^0.2.1"