diff --git a/package-lock.json b/package-lock.json
index 4318283..b9e91e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2322,12 +2322,20 @@
       "dev": true
     },
     "debug": {
-      "version": "2.6.9",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "version": "4.1.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
       "dev": true,
       "requires": {
-        "ms": "2.0.0"
+        "ms": "^2.1.1"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        }
       }
     },
     "decamelize": {
diff --git a/package.json b/package.json
index f12ff22..3c05dd5 100644
--- a/package.json
+++ b/package.json
@@ -28,7 +28,7 @@
     "chai": "^2.1.1",
     "check-node-version": "^3.3.0",
     "clean-webpack-plugin": "^3.0.0",
-    "debug": "2.6.9",
+    "debug": "4.1.1",
     "http-proxy": "1.16.2",
     "karma": "^4.4.1",
     "karma-chai": "^0.1.0",