diff --git a/package-lock.json b/package-lock.json
index d86fe63..8d27cd1 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -203,11 +203,18 @@
       "integrity": "sha1-sNBClG2ylTu50pKQCmy19tASIDE="
     },
     "debug": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/debug/-/debug-2.0.0.tgz",
-      "integrity": "sha1-ib2d9nMrUSVrxnBTQrugLtEhMe8=",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
       "requires": {
-        "ms": "0.6.2"
+        "ms": "2.0.0"
+      },
+      "dependencies": {
+        "ms": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+          "integrity": "sha512-Tpp60P6IUJDTuOq/5Z8cdskzJujfwqfOTkrwIwj7IRISpnkJnT6SyJ4PCPnGMoFjC9ddhal5KVIYtAt97ix05A=="
+        }
       }
     },
     "decamelize": {
@@ -407,6 +414,14 @@
           "version": "1.0.5",
           "resolved": "https://registry.npmjs.org/cookie-signature/-/cookie-signature-1.0.5.tgz",
           "integrity": "sha1-oSLj8VA+yg9TVXlbBxG7I2jUUPk="
+        },
+        "debug": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.0.0.tgz",
+          "integrity": "sha512-jRxFR0Fb657ikmm6IjHY32v/Nqp9Ndcx4LBISXPfpguNaHh5JJnb+x37qalKPTu4fxMFnVBIyEGi72mmvl0BCw==",
+          "requires": {
+            "ms": "0.6.2"
+          }
         }
       }
     },
@@ -417,6 +432,16 @@
       "requires": {
         "debug": "~2.0.0",
         "escape-html": "1.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.0.0.tgz",
+          "integrity": "sha512-jRxFR0Fb657ikmm6IjHY32v/Nqp9Ndcx4LBISXPfpguNaHh5JJnb+x37qalKPTu4fxMFnVBIyEGi72mmvl0BCw==",
+          "requires": {
+            "ms": "0.6.2"
+          }
+        }
       }
     },
     "forwarded": {
@@ -704,6 +729,16 @@
         "ms": "0.6.2",
         "on-finished": "2.1.0",
         "range-parser": "~1.0.2"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.0.0.tgz",
+          "integrity": "sha512-jRxFR0Fb657ikmm6IjHY32v/Nqp9Ndcx4LBISXPfpguNaHh5JJnb+x37qalKPTu4fxMFnVBIyEGi72mmvl0BCw==",
+          "requires": {
+            "ms": "0.6.2"
+          }
+        }
       }
     },
     "serve-favicon": {
diff --git a/package.json b/package.json
index a713967..8a07722 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,7 @@
     "cookie-parser": "~1.3.3",
     "morgan": "~1.3.0",
     "serve-favicon": "~2.1.3",
-    "debug": "~2.0.0",
+    "debug": "~3.1.0",
     "jade": "~1.6.0"
   },
   "devDependencies": {