diff --git a/node_modules/plur/package.json b/node_modules/plur/package.json
index fe91e17719..fbbf761525 100644
--- a/node_modules/plur/package.json
+++ b/node_modules/plur/package.json
@@ -37,7 +37,7 @@
   },
   "devDependencies": {
     "ava": "^1.4.1",
-    "tsd": "^0.11.0",
-    "xo": "^0.26.1"
+    "tsd": "^0.12.0",
+    "xo": "^0.42.0"
   }
 }
\ No newline at end of file