diff --git a/package-lock.json b/package-lock.json
index 4f6f4e9..bec6b2c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -181,11 +181,18 @@
       "dev": true
     },
     "debug": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-      "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+      "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
       "requires": {
-        "ms": "^2.1.1"
+        "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=="
+        }
       }
     },
     "depd": {
@@ -573,7 +580,8 @@
     "ms": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-      "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+      "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
+      "dev": true
     },
     "negotiator": {
       "version": "0.6.2",
diff --git a/package.json b/package.json
index 4d2c3b6..4507a29 100644
--- a/package.json
+++ b/package.json
@@ -33,7 +33,7 @@
     "puppeteer": "^5.2.1"
   },
   "dependencies": {
-    "debug": "^4.1.1",
+    "debug": "^4.3.1",
     "heya-async": "^1.0.1",
     "heya-io-node": "^1.2.0"
   },