diff --git a/package-lock.json b/package-lock.json
index a798ee1..4635636 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -226,6 +226,16 @@
         "qs": "6.5.2",
         "raw-body": "2.3.3",
         "type-is": "~1.6.16"
+      },
+      "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"
+          }
+        }
       }
     },
     "brace-expansion": {
@@ -484,9 +494,9 @@
       }
     },
     "debug": {
-      "version": "2.6.9",
-      "resolved": "https://nexus3.rabobank.nl/repository/npmjs/debug/-/debug-2.6.9.tgz",
-      "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-3.1.0.tgz",
+      "integrity": "sha512-OX8XqP7/1a9cqkxYw2yXss15f26NKWBpDXQd0/uK/KPqdQhxbPa994hnzjcE2VqQpDslf55723cKPUOGSmMY3g==",
       "requires": {
         "ms": "2.0.0"
       }
@@ -1021,6 +1031,14 @@
         "vary": "~1.1.2"
       },
       "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"
+          }
+        },
         "safe-buffer": {
           "version": "5.1.2",
           "resolved": "https://nexus3.rabobank.nl/repository/npmjs/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -1073,6 +1091,14 @@
         "unpipe": "~1.0.0"
       },
       "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"
+          }
+        },
         "statuses": {
           "version": "1.4.0",
           "resolved": "https://nexus3.rabobank.nl/repository/npmjs/statuses/-/statuses-1.4.0.tgz",
@@ -1631,6 +1657,16 @@
         "depd": "~1.1.2",
         "on-finished": "~2.3.0",
         "on-headers": "~1.0.1"
+      },
+      "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"
+          }
+        }
       }
     },
     "ms": {
@@ -2094,6 +2130,14 @@
         "statuses": "~1.4.0"
       },
       "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"
+          }
+        },
         "statuses": {
           "version": "1.4.0",
           "resolved": "https://nexus3.rabobank.nl/repository/npmjs/statuses/-/statuses-1.4.0.tgz",
diff --git a/package.json b/package.json
index e455e1c..7159c1e 100644
--- a/package.json
+++ b/package.json
@@ -12,7 +12,7 @@
   "dependencies": {
     "body-parser": "~1.18.2",
     "cookie-parser": "^1.4.5",
-    "debug": "~2.6.9",
+    "debug": "~3.1.0",
     "express": "~4.16.0",
     "jade": "~1.11.0",
     "morgan": "~1.9.1",