diff --git a/package.json b/package.json
index 7089d40..b1fe2dc 100644
--- a/package.json
+++ b/package.json
@@ -49,7 +49,7 @@
     "ava": "^3.9.0",
     "import-fresh": "^3.2.1",
     "nyc": "^15.1.0",
-    "xo": "~0.27.2"
+    "xo": "~0.42.0"
   },
   "ava": {
     "verbose": true