diff --git a/package.json b/package.json
index 6069cfb..c5f75ac 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
   "dependencies": {
     "degenerator": "^2.2.0",
     "ip": "^1.1.5",
-    "netmask": "^1.0.6"
+    "netmask": "^2.0.1"
   },
   "devDependencies": {
     "@types/debug": "4",