diff --git a/backend/package-lock.json b/backend/package-lock.json
index 7106044..2e7a345 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -9,7 +9,7 @@
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+        "acorn": "^2.1.0"
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@@ -31,10 +31,10 @@
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-        "fast-json-stable-stringify": "2.0.0",
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+        "co": "^4.6.0",
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-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
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@@ -108,7 +108,7 @@
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+        "tweetnacl": "^0.14.3"
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@@ -122,15 +122,15 @@
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-        "depd": "1.1.1",
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@@ -149,20 +149,15 @@
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-      "integrity": "sha1-k8ENOeqltYQVy8QFLz5T5WKwtyw="
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+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.6.tgz",
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+        "commander": "2.8.x",
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@@ -344,7 +339,7 @@
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+        "accepts": "~1.3.3",
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+        "content-type": "~1.0.2",
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-        "escape-html": "1.0.3",
-        "etag": "1.7.0",
+        "debug": "~2.2.0",
+        "depd": "~1.1.0",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
+        "etag": "~1.7.0",
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-        "on-finished": "2.3.0",
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-        "lodash.set": "4.3.2"
+        "async": "^1.5.0",
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-            "ms": "2.0.0",
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-        "statuses": "1.3.1",
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+        "statuses": "~1.3.1",
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+        "asynckit": "^0.4.0",
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-        "ajv": "5.3.0",
-        "har-schema": "2.0.0"
+        "ajv": "^5.1.0",
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-        "cryptiles": "3.1.2",
-        "hoek": "4.2.0",
-        "sntp": "2.1.0"
+        "boom": "4.x.x",
+        "cryptiles": "3.x.x",
+        "hoek": "4.x.x",
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@@ -617,7 +602,7 @@
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-        "jsprim": "1.4.1",
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+        "assert-plus": "^1.0.0",
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-        "moment": "2.19.1",
-        "topo": "1.1.0"
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@@ -764,8 +744,8 @@
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-        "escape-html": "1.0.3",
-        "etag": "1.7.0",
+        "debug": "~2.2.0",
+        "depd": "~1.1.0",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
+        "etag": "~1.7.0",
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-        "range-parser": "1.2.0",
-        "statuses": "1.3.1"
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+        "range-parser": "~1.2.0",
+        "statuses": "~1.3.1"
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@@ -1341,10 +1309,10 @@
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       "integrity": "sha1-3UGeJo3gEqtysxnTN/IQUBP5OB8=",
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-        "etag": "1.7.0",
+        "etag": "~1.7.0",
         "fresh": "0.3.0",
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-        "escape-html": "1.0.3",
-        "parseurl": "1.3.2",
+        "encodeurl": "~1.0.1",
+        "escape-html": "~1.0.3",
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-        "amdefine": "1.0.1"
+        "amdefine": ">=0.0.4"
+      }
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+    "sparse-bitfield": {
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+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
+      "optional": true,
+      "requires": {
+        "memory-pager": "^1.0.2"
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@@ -1403,14 +1380,14 @@
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-        "bcrypt-pbkdf": "1.0.1",
-        "dashdash": "1.14.1",
-        "ecc-jsbn": "0.1.1",
-        "getpass": "0.1.7",
-        "jsbn": "0.1.1",
-        "tweetnacl": "0.14.5"
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "tweetnacl": "~0.14.0"
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@@ -1418,14 +1395,6 @@
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-      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.0.3.tgz",
-      "integrity": "sha512-4AH6Z5fzNNBcH+6XDMfA/BTt87skxqJlO0lAh3Dker5zThcAxG6mKz+iGu308UKoPPQ8Dcqx/4JhujzltRa+hQ==",
-      "requires": {
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@@ -1436,7 +1405,7 @@
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       "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
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-        "hoek": "2.16.3"
+        "hoek": "2.x.x"
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@@ -1444,7 +1413,7 @@
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       "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
       "requires": {
-        "punycode": "1.4.1"
+        "punycode": "^1.4.1"
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@@ -1452,9 +1421,9 @@
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-        "css": "1.0.8",
-        "promise": "2.0.0",
-        "uglify-js": "2.2.5"
+        "css": "~1.0.8",
+        "promise": "~2.0",
+        "uglify-js": "~2.2.5"
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@@ -1467,7 +1436,7 @@
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-            "is-promise": "1.0.1"
+            "is-promise": "~1"
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-            "amdefine": "1.0.1"
+            "amdefine": ">=0.0.4"
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@@ -1483,8 +1452,8 @@
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           "requires": {
-            "optimist": "0.3.7",
-            "source-map": "0.1.43"
+            "optimist": "~0.3.5",
+            "source-map": "~0.1.7"
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@@ -1494,7 +1463,7 @@
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       "requires": {
-        "safe-buffer": "5.1.1"
+        "safe-buffer": "^5.0.1"
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@@ -1509,7 +1478,7 @@
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       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.17"
+        "mime-types": "~2.1.15"
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@@ -1517,9 +1486,9 @@
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-        "source-map": "0.5.7",
-        "uglify-to-browserify": "1.0.2",
-        "yargs": "3.10.0"
+        "source-map": "~0.5.1",
+        "uglify-to-browserify": "~1.0.0",
+        "yargs": "~3.10.0"
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@@ -1545,11 +1514,6 @@
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@@ -1570,9 +1534,9 @@
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-        "assert-plus": "1.0.0",
+        "assert-plus": "^1.0.0",
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-        "extsprintf": "1.3.0"
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@@ -1590,8 +1554,8 @@
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-        "acorn": "1.2.2",
-        "acorn-globals": "1.0.9"
+        "acorn": "^1.0.1",
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@@ -1616,9 +1580,9 @@
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-        "camelcase": "1.2.1",
-        "cliui": "2.1.0",
-        "decamelize": "1.2.0",
+        "camelcase": "^1.0.2",
+        "cliui": "^2.1.0",
+        "decamelize": "^1.0.0",
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diff --git a/backend/package.json b/backend/package.json
index 6010e42..6125d01 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -15,7 +15,7 @@
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     "jade": "~1.11.0",
     "jsonwebtoken": "^8.1.0",
-    "mongoose": "^4.13.0",
+    "mongoose": "^5.3.9",
     "morgan": "~1.7.0",
     "passport": "^0.4.0",
     "passport-facebook-token": "^3.3.0",