diff --git a/package.json b/package.json
index 96b2620..cca9365 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,7 @@
     "jest": "^22.1.1",
     "lint-staged": "^7.0.0",
     "remove-lockfiles": "^2.1.1",
-    "xo": "^0.20.3"
+    "xo": "^0.21.0"
   },
   "jest": {
     "testEnvironment": "node",