diff --git a/package.json b/package.json
index bd02d1b8..73b4c1eb 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,7 @@
     "proxyquire": "^1.8.0",
     "sinon": "^4.0.0",
     "tempy": "^0.2.1",
-    "xo": "^0.18.2"
+    "xo": "^0.20.0"
   },
   "engines": {
     "node": ">=8.3"