diff --git a/node_modules/mem/node_modules/mimic-fn/package.json b/node_modules/mem/node_modules/mimic-fn/package.json
index ac43d06ca4..a256daa969 100644
--- a/node_modules/mem/node_modules/mimic-fn/package.json
+++ b/node_modules/mem/node_modules/mimic-fn/package.json
@@ -37,6 +37,6 @@
   "devDependencies": {
     "ava": "^2.1.0",
     "tsd": "^0.7.1",
-    "xo": "^0.24.0"
+    "xo": "^0.61.0"
   }
 }
\ No newline at end of file