diff --git a/package-lock.json b/package-lock.json
index b873196..f465b3f 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -511,18 +511,11 @@
       "integrity": "sha1-sCIMAt6YYXQztyhRz0fePfLNvuk="
     },
     "debug": {
-      "version": "2.2.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
-      "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
       "requires": {
-        "ms": "0.7.1"
-      },
-      "dependencies": {
-        "ms": {
-          "version": "0.7.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz",
-          "integrity": "sha1-nNE8A62/8ltl7/3nzoZO6VIBcJg="
-        }
+        "ms": "2.0.0"
       }
     },
     "decamelize": {
@@ -2356,6 +2349,16 @@
         "nan": "^2.14.0",
         "typedarray-to-buffer": "^3.1.5",
         "yaeti": "^0.0.6"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.6.9",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
+          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+          "requires": {
+            "ms": "2.0.0"
+          }
+        }
       }
     },
     "which": {
diff --git a/package.json b/package.json
index 672a1d2..9e66663 100644
--- a/package.json
+++ b/package.json
@@ -22,7 +22,7 @@
     "body-parser": "^1.18.3",
     "chalk": "1.1.1",
     "d3": "3.5.6",
-    "debug": "2.2.0",
+    "debug": "3.1.0",
     "express": "^4.17.1",
     "geoip-lite": "1.2.1",
     "grunt": "^0.4.5",