diff --git a/package-lock.json b/package-lock.json
index 2f7a4b8..a50988c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -481,57 +481,57 @@
     "express": {
       "version": "4.16.3",
       "resolved": "https://registry.npmjs.org/express/-/express-4.16.3.tgz",
-      "integrity": "sha1-avilAjUNsyRuzEvs9rWjTSL37VM=",
+      "integrity": "sha512-CDaOBMB9knI6vx9SpIxEMOJ6VBbC2U/tYNILs0qv1YOZc15K9U2EcF06v10F0JX6IYcWnKYZJwIDJspEHLvUaQ==",
       "dev": true,
       "requires": {
-        "accepts": "1.3.5",
+        "accepts": "~1.3.5",
         "array-flatten": "1.1.1",
         "body-parser": "1.18.2",
         "content-disposition": "0.5.2",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.3.1",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "finalhandler": "1.1.1",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.2",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.2",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.3",
+        "proxy-addr": "~2.0.3",
         "qs": "6.5.1",
-        "range-parser": "1.2.0",
+        "range-parser": "~1.2.0",
         "safe-buffer": "5.1.1",
         "send": "0.16.2",
         "serve-static": "1.13.2",
         "setprototypeof": "1.1.0",
-        "statuses": "1.4.0",
-        "type-is": "1.6.16",
+        "statuses": "~1.4.0",
+        "type-is": "~1.6.16",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       },
       "dependencies": {
         "body-parser": {
           "version": "1.18.2",
           "resolved": "https://registry.npmjs.org/body-parser/-/body-parser-1.18.2.tgz",
-          "integrity": "sha1-h2eKGdhLR9hZuDGZvVm84iKxBFQ=",
+          "integrity": "sha512-XIXhPptoLGNcvFyyOzjNXCjDYIbYj4iuXO0VU9lM0f3kYdG0ar5yg7C+pIc3OyoTlZXDu5ObpLTmS2Cgp89oDg==",
           "dev": true,
           "requires": {
             "bytes": "3.0.0",
-            "content-type": "1.0.4",
+            "content-type": "~1.0.4",
             "debug": "2.6.9",
-            "depd": "1.1.2",
-            "http-errors": "1.6.3",
+            "depd": "~1.1.1",
+            "http-errors": "~1.6.2",
             "iconv-lite": "0.4.19",
-            "on-finished": "2.3.0",
+            "on-finished": "~2.3.0",
             "qs": "6.5.1",
             "raw-body": "2.3.2",
-            "type-is": "1.6.16"
+            "type-is": "~1.6.15"
           }
         },
         "iconv-lite": {
@@ -549,7 +549,7 @@
         "raw-body": {
           "version": "2.3.2",
           "resolved": "https://registry.npmjs.org/raw-body/-/raw-body-2.3.2.tgz",
-          "integrity": "sha1-vNYMd9Prk83gBQKVw/N5OJvIj4k=",
+          "integrity": "sha512-Ss0DsBxqLxCmQkfG5yazYhtbVVTJqS9jTsZG2lhrNwqzOk2SUC7O/NB/M//CkEBqsrtmlNgJCPccJGuYSFr6Vg==",
           "dev": true,
           "requires": {
             "bytes": "3.0.0",
@@ -561,25 +561,25 @@
             "depd": {
               "version": "1.1.1",
               "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.1.tgz",
-              "integrity": "sha1-V4O04cRZ8G+lyif5kfPQbnoxA1k=",
+              "integrity": "sha512-Jlk9xvkTDGXwZiIDyoM7+3AsuvJVoyOpRupvEVy9nX3YO3/ieZxhlgh8GpLNZ8AY7HjO6y2YwpMSh1ejhu3uIw==",
               "dev": true
             },
             "http-errors": {
               "version": "1.6.2",
               "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.2.tgz",
-              "integrity": "sha1-CgAsyFcHGSp+eUbO7cERVfYOxzY=",
+              "integrity": "sha512-STnYGcKMXL9CGdtpeTFnLmgMSHTTNQJSHxiC4DETHKf934Q160Ht5pljrNeH24S0O9xUN+9vsDJZdZtk5js6Ww==",
               "dev": true,
               "requires": {
                 "depd": "1.1.1",
                 "inherits": "2.0.3",
                 "setprototypeof": "1.0.3",
-                "statuses": "1.4.0"
+                "statuses": ">= 1.3.1 < 2"
               }
             },
             "setprototypeof": {
               "version": "1.0.3",
               "resolved": "https://registry.npmjs.org/setprototypeof/-/setprototypeof-1.0.3.tgz",
-              "integrity": "sha1-ZlZ+NwQ+608E2RvWWMDL77VbjgQ=",
+              "integrity": "sha512-9jphSf3UbIgpOX/RKvX02iw/rN2TKdusnsPpGfO/rkcsrd+IRqgHZb4VGnmL0Cynps8Nj2hN45wsi30BzrHDIw==",
               "dev": true
             }
           }