diff --git a/package-lock.json b/package-lock.json
index 86337e6..1c85c9c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -208,11 +208,18 @@
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     },
     "debug": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.0.1.tgz",
-      "integrity": "sha1-BWTGErUh3JLZ8piPBUnjT5yY22Q=",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
       "requires": {
-        "ms": "2.0.0"
+        "ms": "2.1.2"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
       }
     },
     "engine.io": {