diff --git a/JS/JS calculator/package-lock.json b/JS/JS calculator/package-lock.json
index 2bd03b2..3d81630 100644
--- a/JS/JS calculator/package-lock.json	
+++ b/JS/JS calculator/package-lock.json	
@@ -152,11 +152,18 @@
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     },
     "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"
+        "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": {
@@ -484,6 +491,16 @@
         "depd": "~1.1.0",
         "on-finished": "~2.3.0",
         "on-headers": "~1.0.1"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "2.2.0",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+          "integrity": "sha512-X0rGvJcskG1c3TgSCPqHJ0XJgwlcvOC7elJ5Y0hYuKBZoVqWpAMfLOeIh2UI/DCQ5ruodIjvsugZtjUYUw2pUw==",
+          "requires": {
+            "ms": "0.7.1"
+          }
+        }
       }
     },
     "mpath": {
diff --git a/JS/JS calculator/package.json b/JS/JS calculator/package.json
index 3855eb3..cd270af 100644
--- a/JS/JS calculator/package.json	
+++ b/JS/JS calculator/package.json	
@@ -7,7 +7,7 @@
   },
   "dependencies": {
     "body-parser": "^1.15.2",
-    "debug": "^2.2.0",
+    "debug": "^3.1.0",
     "express": "^4.14.1",
     "handlebars-helper-selectif": "^1.0.1",
     "hbs": "~4.0.1",