diff --git a/sandbox/package-lock.json b/sandbox/package-lock.json
index dae0bef..c4f48a5 100644
--- a/sandbox/package-lock.json
+++ b/sandbox/package-lock.json
@@ -1374,43 +1374,43 @@
         "express": {
             "version": "4.15.3",
             "resolved": "https://registry.npmjs.org/express/-/express-4.15.3.tgz",
-            "integrity": "sha1-urZdDwOqgMNYQIly/HAPkWlEtmI=",
+            "integrity": "sha512-eyQPXY6coAN6NpdZhXZsAvoGSvWZtYq1S6YCBA86+RTwzzecvLvgPR/Jm+MR0otFUzLnmI/lfv79aoIMDpWW8w==",
             "dev": true,
             "requires": {
-                "accepts": "1.3.3",
+                "accepts": "~1.3.3",
                 "array-flatten": "1.1.1",
                 "content-disposition": "0.5.2",
-                "content-type": "1.0.2",
+                "content-type": "~1.0.2",
                 "cookie": "0.3.1",
                 "cookie-signature": "1.0.6",
                 "debug": "2.6.7",
-                "depd": "1.1.0",
-                "encodeurl": "1.0.1",
-                "escape-html": "1.0.3",
-                "etag": "1.8.0",
-                "finalhandler": "1.0.3",
+                "depd": "~1.1.0",
+                "encodeurl": "~1.0.1",
+                "escape-html": "~1.0.3",
+                "etag": "~1.8.0",
+                "finalhandler": "~1.0.3",
                 "fresh": "0.5.0",
                 "merge-descriptors": "1.0.1",
-                "methods": "1.1.2",
-                "on-finished": "2.3.0",
-                "parseurl": "1.3.1",
+                "methods": "~1.1.2",
+                "on-finished": "~2.3.0",
+                "parseurl": "~1.3.1",
                 "path-to-regexp": "0.1.7",
-                "proxy-addr": "1.1.4",
+                "proxy-addr": "~1.1.4",
                 "qs": "6.4.0",
-                "range-parser": "1.2.0",
+                "range-parser": "~1.2.0",
                 "send": "0.15.3",
                 "serve-static": "1.12.3",
                 "setprototypeof": "1.0.3",
-                "statuses": "1.3.1",
-                "type-is": "1.6.15",
+                "statuses": "~1.3.1",
+                "type-is": "~1.6.15",
                 "utils-merge": "1.0.0",
-                "vary": "1.1.1"
+                "vary": "~1.1.1"
             },
             "dependencies": {
                 "debug": {
                     "version": "2.6.7",
                     "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.7.tgz",
-                    "integrity": "sha1-krrR9tBbu2u6Isyoi80OyJTChh4=",
+                    "integrity": "sha512-7YoSmTDGnXYkFJOvaYXfxcvNE25Y11uZ0X8Mo+pSXjHz/9WUlbCS4O6q+wj7lhubdNQQXxxsSOnlqlDG8SenXQ==",
                     "dev": true,
                     "requires": {
                         "ms": "2.0.0"