diff --git a/package.json b/package.json
index 7dc2d85..3d5d0fd 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
 		"codecov": "2.3.1",
 		"nyc": "11.7.1",
 		"rollup-plugin-async": "1.2.0",
-		"xo": "0.18.2"
+		"xo": "0.33.0"
 	},
 	"nyc": {
 		"reporter": [