diff --git a/package-lock.json b/package-lock.json
index 61aa4bb..2c162d9 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -17,7 +17,7 @@
         "ip": "2.0.1",
         "lodash": "4.18.1",
         "md5": "2.3.0",
-        "netmask": "2.0.2",
+        "netmask": "2.1.1",
         "osc": "2.4.5",
         "uuid": "13.0.0",
         "virtual-dom": "2.1.1"
@@ -5296,9 +5296,10 @@
       }
     },
     "node_modules/netmask": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/netmask/-/netmask-2.0.2.tgz",
-      "integrity": "sha512-dBpDMdxv9Irdq66304OLfEmQ9tbNRFnFTuZiLo+bD+r332bBmMJ8GBLXklIXXgxd3+v9+KUnZaUR5PJMa75Gsg==",
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/netmask/-/netmask-2.1.1.tgz",
+      "integrity": "sha512-eonl3sLUha+S1GzTPxychyhnUzKyeQkZ7jLjKrBagJgPla13F+uQ71HgpFefyHgqrjEbCPkDArxYsjY8/+gLKA==",
+      "license": "MIT",
       "engines": {
         "node": ">= 0.4.0"
       }
diff --git a/package.json b/package.json
index f4c548b..4ef7aa0 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "ip": "2.0.1",
     "lodash": "4.18.1",
     "md5": "2.3.0",
-    "netmask": "2.0.2",
+    "netmask": "2.1.1",
     "osc": "2.4.5",
     "uuid": "13.0.0",
     "virtual-dom": "2.1.1"