diff --git a/package.json b/package.json
index 41ed40f..d840762 100644
--- a/package.json
+++ b/package.json
@@ -21,7 +21,7 @@
     "prettier": "latest",
     "pretty-format": "^26.2.0",
     "unlink-self": "latest",
-    "xo": "^0.35.0"
+    "xo": "^0.40.1"
   },
   "keywords": [
     "serialization",