diff --git a/package.json b/package.json
index c42b73b..ea4343e 100644
--- a/package.json
+++ b/package.json
@@ -42,7 +42,7 @@
   "devDependencies": {
     "ava": "^3.9.0",
     "nyc": "^15.1.0",
-    "xo": "~0.27.2"
+    "xo": "~0.41.0"
   },
   "ava": {
     "verbose": true