diff --git a/package.json b/package.json
index fb38955..217cccc 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   },
   "devDependencies": {
     "eslint-config-prettier": "^2.9.0",
-    "xo": "^0.20.2"
+    "xo": "^0.21.0"
   },
   "xo": {
     "spaces": 2,