diff --git a/node_modules/irregular-plurals/package.json b/node_modules/irregular-plurals/package.json
index cf9707d526..3be2cde7c2 100644
--- a/node_modules/irregular-plurals/package.json
+++ b/node_modules/irregular-plurals/package.json
@@ -36,7 +36,7 @@
   "devDependencies": {
     "ava": "^1.4.1",
     "tsd": "^0.7.2",
-    "xo": "^0.24.0"
+    "xo": "^0.61.0"
   },
   "tsd": {
     "compilerOptions": {