diff --git a/node_modules/unique-string/package.json b/node_modules/unique-string/package.json
index 0bf04f042f..c759066eca 100644
--- a/node_modules/unique-string/package.json
+++ b/node_modules/unique-string/package.json
@@ -33,8 +33,8 @@
     "crypto-random-string": "^2.0.0"
   },
   "devDependencies": {
-    "ava": "^1.4.1",
-    "tsd": "^0.7.2",
-    "xo": "^0.24.0"
+    "ava": "^4.0.0",
+    "tsd": "^0.17.0",
+    "xo": "^0.42.0"
   }
 }
\ No newline at end of file