diff --git a/package.json b/package.json
index bc34e40f..b70488c5 100644
--- a/package.json
+++ b/package.json
@@ -44,7 +44,7 @@
     "karma-mocha": "^2.0.0",
     "mocha": "^6.2.3",
     "mocha-lcov-reporter": "^1.2.0",
-    "xo": "^0.32.1"
+    "xo": "^0.42.0"
   },
   "peerDependenciesMeta": {
     "supports-color": {