diff --git a/node_modules/object-assign/package.json b/node_modules/object-assign/package.json
index 3aa7326260..d78d0a337d 100644
--- a/node_modules/object-assign/package.json
+++ b/node_modules/object-assign/package.json
@@ -34,9 +34,9 @@
     "browser"
   ],
   "devDependencies": {
-    "ava": "^0.16.0",
+    "ava": "^4.0.0",
     "lodash": "^4.16.4",
     "matcha": "^0.7.0",
-    "xo": "^0.16.0"
+    "xo": "^0.40.3"
   }
 }
\ No newline at end of file