diff --git a/backend/package-lock.json b/backend/package-lock.json
index d5c083d..05a345d 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -44,6 +44,20 @@
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+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
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@@ -107,6 +121,15 @@
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+      "resolved": "https://registry.npmjs.org/bcrypt/-/bcrypt-1.0.3.tgz",
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@@ -123,6 +146,14 @@
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@@ -162,6 +193,11 @@
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@@ -246,6 +282,11 @@
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@@ -317,11 +358,21 @@
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       "integrity": "sha1-9lNNFRSCabIDUue+4m9QH5oZEpA="
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+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
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+      "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
+      "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
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@@ -346,6 +397,14 @@
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@@ -591,6 +650,70 @@
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+      "resolved": "https://registry.npmjs.org/fstream/-/fstream-1.0.12.tgz",
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+        "inherits": "~2.0.0",
+        "mkdirp": ">=0.5 0",
+        "rimraf": "2"
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+      "resolved": "https://registry.npmjs.org/fstream-ignore/-/fstream-ignore-1.0.5.tgz",
+      "integrity": "sha1-nDHa40dnAY/h0kmyTa2mfQktoQU=",
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+        "inherits": "2",
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+    "gauge": {
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+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-2.7.4.tgz",
+      "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
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+        "has-unicode": "^2.0.0",
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+          "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
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+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-1.0.2.tgz",
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+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -644,6 +767,16 @@
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+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
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+      "resolved": "https://registry.npmjs.org/isemail/-/isemail-1.2.0.tgz",
+      "integrity": "sha1-vgPfjMPineTSxd9lASY/H6RZXpo="
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+      "resolved": "https://registry.npmjs.org/joi/-/joi-6.10.1.tgz",
+      "integrity": "sha1-TVDDGAeRIgAP5fFq8f+OGRe3fgY=",
+      "requires": {
+        "hoek": "2.x.x",
+        "isemail": "1.x.x",
+        "moment": "2.x.x",
+        "topo": "1.x.x"
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@@ -782,6 +936,23 @@
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+      "resolved": "https://registry.npmjs.org/jsonpack/-/jsonpack-1.1.5.tgz",
+      "integrity": "sha1-1CsNz9kaxY7zEQ+W0sWZQEw9wnw="
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+      "resolved": "https://registry.npmjs.org/jsonwebtoken/-/jsonwebtoken-7.4.3.tgz",
+      "integrity": "sha1-d/UCHeBYtgWheD+hKD6ZgS5kVjg=",
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+        "jws": "^3.1.4",
+        "lodash.once": "^4.0.0",
+        "ms": "^2.0.0",
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@@ -793,6 +964,25 @@
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+      "resolved": "https://registry.npmjs.org/jwa/-/jwa-1.4.1.tgz",
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+      "resolved": "https://registry.npmjs.org/jws/-/jws-3.2.2.tgz",
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+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
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+      "resolved": "https://registry.npmjs.org/lodash.once/-/lodash.once-4.1.1.tgz",
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@@ -963,6 +1158,11 @@
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+      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.6.36.tgz",
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+        "npmlog": "^4.0.2",
+        "rc": "^1.1.7",
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@@ -995,6 +1211,17 @@
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+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-4.1.2.tgz",
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@@ -1218,6 +1450,11 @@
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@@ -1277,6 +1514,38 @@
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+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
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@@ -1335,6 +1604,14 @@
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@@ -1517,6 +1794,14 @@
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@@ -1537,6 +1822,36 @@
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     },
+    "strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+    },
+    "tar": {
+      "version": "2.2.2",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-2.2.2.tgz",
+      "integrity": "sha512-FCEhQ/4rE1zYv9rYXJw/msRqsnmlje5jHP6huWeBZ704jUTy02c5AZyWujpMR1ax6mVw9NyJMfuK2CMDWVIfgA==",
+      "requires": {
+        "block-stream": "*",
+        "fstream": "^1.0.12",
+        "inherits": "2"
+      }
+    },
+    "tar-pack": {
+      "version": "3.4.1",
+      "resolved": "https://registry.npmjs.org/tar-pack/-/tar-pack-3.4.1.tgz",
+      "integrity": "sha512-PPRybI9+jM5tjtCbN2cxmmRU7YmqT3Zv/UDy48tAh2XRkLa9bAORtSWLkVc13+GJF+cdTh1yEnHEk3cpTaL5Kg==",
+      "requires": {
+        "debug": "^2.2.0",
+        "fstream": "^1.0.10",
+        "fstream-ignore": "^1.0.5",
+        "once": "^1.3.3",
+        "readable-stream": "^2.1.4",
+        "rimraf": "^2.5.1",
+        "tar": "^2.2.1",
+        "uid-number": "^0.0.6"
+      }
+    },
     "through": {
       "version": "2.3.8",
       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -1551,6 +1866,14 @@
         "next-tick": "1"
       }
     },
+    "topo": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/topo/-/topo-1.1.0.tgz",
+      "integrity": "sha1-6ddRYV0buH3IZdsYL6HKCl71NtU=",
+      "requires": {
+        "hoek": "2.x.x"
+      }
+    },
     "toposort-class": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
@@ -1594,6 +1917,11 @@
         "mime-types": "~2.1.18"
       }
     },
+    "uid-number": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/uid-number/-/uid-number-0.0.6.tgz",
+      "integrity": "sha1-DqEOgDXo61uOREnwbaHHMGY7qoE="
+    },
     "umzug": {
       "version": "2.2.0",
       "resolved": "https://registry.npmjs.org/umzug/-/umzug-2.2.0.tgz",
@@ -1603,6 +1931,11 @@
         "bluebird": "^3.5.3"
       }
     },
+    "underscore": {
+      "version": "1.13.1",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
+      "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g=="
+    },
     "universalify": {
       "version": "0.1.2",
       "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
@@ -1621,6 +1954,11 @@
         "punycode": "^2.1.0"
       }
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
+    },
     "utils-merge": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
@@ -1669,6 +2007,14 @@
       "resolved": "https://registry.npmjs.org/which-module/-/which-module-2.0.0.tgz",
       "integrity": "sha1-2e8H3Od7mQK4o6j6SzHD4/fm6Ho="
     },
+    "wide-align": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
+      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
+      "requires": {
+        "string-width": "^1.0.2 || 2"
+      }
+    },
     "wkx": {
       "version": "0.4.6",
       "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.6.tgz",
diff --git a/backend/package.json b/backend/package.json
index fdff49c..12051cf 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -15,7 +15,7 @@
     "express": "^4.16.4",
     "jsonpack": "^1.1.5",
     "jsonwebtoken": "^7.4.1",
-    "lodash": "^4.17.11",
+    "lodash": "^4.17.21",
     "morgan": "^1.9.1",
     "multihashes": "^0.4.14",
     "pg": "^7.9.0",