diff --git a/package-lock.json b/package-lock.json
index ed84d9c..a8e776d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -189,9 +189,9 @@
       }
     },
     "debug": {
-      "version": "3.2.6",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-      "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
       "requires": {
         "ms": "^2.1.1"
       }
diff --git a/package.json b/package.json
index b43fdff..c78a090 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,7 @@
     "test": "standard"
   },
   "dependencies": {
-    "debug": "^3.1.0",
+    "debug": "^4.0.0",
     "getmac": "1.5.0",
     "ip": "1.0.2",
     "pcap": "mranney/node_pcap"