diff --git a/package.json b/package.json
index c32740c..39044b1 100644
--- a/package.json
+++ b/package.json
@@ -27,7 +27,7 @@
   "homepage": "https://github.com/dimapaloskin/micro-compose#readme",
   "devDependencies": {
     "ava": "^0.25.0",
-    "xo": "^0.20.2"
+    "xo": "^0.21.1"
   },
   "xo": {
     "space": 2