diff --git a/backend/npm-shrinkwrap.json b/backend/npm-shrinkwrap.json
index 1b1536b..3160da9 100644
--- a/backend/npm-shrinkwrap.json
+++ b/backend/npm-shrinkwrap.json
@@ -24,6 +24,27 @@
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@@ -1499,6 +1498,12 @@
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@@ -1559,13 +1564,15 @@
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@@ -1596,17 +1603,17 @@
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+      "resolved": "https://registry.npmjs.org/path-type/-/path-type-4.0.0.tgz",
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@@ -1617,25 +1624,19 @@
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-        "find-up": "^3.0.0"
+        "find-up": "^4.0.0"
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-      "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.1.1.tgz",
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+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/please-upgrade-node/-/please-upgrade-node-3.2.0.tgz",
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@@ -1781,16 +1782,6 @@
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@@ -1827,17 +1818,6 @@
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-      "dev": true,
-      "requires": {
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-        "parse-json": "^4.0.0",
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@@ -1852,6 +1832,12 @@
         "util-deprecate": "~1.0.1"
       }
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+    "regenerator-runtime": {
+      "version": "0.13.3",
+      "resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.3.tgz",
+      "integrity": "sha512-naKIZz2GQ8JWh///G7L3X6LaQUAMp2lvb1rvwwsURe/VXwD6VMfr+/1NuNw3ag8v2kY1aQ/go5SNn79O9JU7yw==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
@@ -1885,15 +1871,6 @@
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-      "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.10.0.tgz",
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-      "requires": {
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       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
@@ -1928,12 +1905,6 @@
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-      "resolved": "https://registry.npmjs.org/run-node/-/run-node-1.0.0.tgz",
-      "integrity": "sha512-kc120TBlQ3mih1LSzdAJXo4xn/GWS2ec0l3S+syHDXP9uRr0JAT8Qd3mdMuyjqCzeZktgP3try92cEgf9Nks8A==",
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@@ -1971,6 +1942,12 @@
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       "dev": true
     },
+    "semver-regex": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/semver-regex/-/semver-regex-2.0.0.tgz",
+      "integrity": "sha512-mUdIBBvdn0PLOeP3TEkMH7HHeUP3GjsXCwKarjv/kGmUFOYg1VqEemKhoQpWMu6X2I8kHeuVdGibLGkVK+/5Qw==",
+      "dev": true
+    },
     "send": {
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       "resolved": "https://registry.npmjs.org/send/-/send-0.16.2.tgz",
@@ -2049,9 +2026,9 @@
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-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/slash/-/slash-2.0.0.tgz",
-      "integrity": "sha512-ZYKh3Wh2z1PpEXWr0MpSBZ0V6mZHAQfYevttO11c51CaWjGTaadiKZ+wVt1PbMlDV5qhMFslpZCemhwOK7C89A==",
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/slash/-/slash-3.0.0.tgz",
+      "integrity": "sha512-g9Q1haeby36OSStwb4ntCGGGaKsaVSjQ68fBxoQcutl5fS1vuY18H3wSt3jFyFtrkx+Kz0V1G85A4MyAdDMi2Q==",
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@@ -2065,38 +2042,6 @@
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-    "spdx-correct": {
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-      "resolved": "https://registry.npmjs.org/spdx-correct/-/spdx-correct-3.1.0.tgz",
-      "integrity": "sha512-lr2EZCctC2BNR7j7WzJ2FpDznxky1sjfxvvYEyzxNyb6lZXHODmEoJeFu4JupYlkfha1KZpJyoqiJ7pgA1qq8Q==",
-      "dev": true,
-      "requires": {
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-        "spdx-license-ids": "^3.0.0"
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-    "spdx-exceptions": {
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-      "resolved": "https://registry.npmjs.org/spdx-exceptions/-/spdx-exceptions-2.2.0.tgz",
-      "integrity": "sha512-2XQACfElKi9SlVb1CYadKDXvoajPgBVPn/gOQLrTvHdElaVhr7ZEbqJaRnJLVNeaI4cMEAgVCeBMKF6MWRDCRA==",
-      "dev": true
-    },
-    "spdx-expression-parse": {
-      "version": "3.0.0",
-      "resolved": "https://registry.npmjs.org/spdx-expression-parse/-/spdx-expression-parse-3.0.0.tgz",
-      "integrity": "sha512-Yg6D3XpRD4kkOmTpdgbUiEJFKghJH03fiC1OPll5h/0sO6neh2jqRDVHOQ4o/LMea0tgCkbMgea5ip/e+MkWyg==",
-      "dev": true,
-      "requires": {
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-        "spdx-license-ids": "^3.0.0"
-      }
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-    "spdx-license-ids": {
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-      "resolved": "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.4.tgz",
-      "integrity": "sha512-7j8LYJLeY/Yb6ACbQ7F76qy5jHkp0U6jgBfJsk97bwWlVUnUWsAgpyaCvo17h0/RQGnQ036tVDomiwoI4pDkQA==",
-      "dev": true
-    },
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       "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
@@ -2327,16 +2272,6 @@
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     },
-    "validate-npm-package-license": {
-      "version": "3.0.4",
-      "resolved": "https://registry.npmjs.org/validate-npm-package-license/-/validate-npm-package-license-3.0.4.tgz",
-      "integrity": "sha512-DpKm2Ui/xN7/HQKCtpZxoRWBhZ9Z0kqtygG8XCgNQ8ZlDnxuQmWhj566j8fN4Cu3/JmbhsDo7fcAJq4s9h27Ew==",
-      "dev": true,
-      "requires": {
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-        "spdx-expression-parse": "^3.0.0"
-      }
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       "resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
@@ -2361,6 +2296,12 @@
         "isexe": "^2.0.0"
       }
     },
+    "which-pm-runs": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/which-pm-runs/-/which-pm-runs-1.0.0.tgz",
+      "integrity": "sha1-Zws6+8VS4LVd9rd4DKdGFfI60cs=",
+      "dev": true
+    },
     "wordwrap": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-1.0.0.tgz",
@@ -2386,6 +2327,15 @@
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       "integrity": "sha1-HBH5IY8HYImkfdUS+TxmmaaoHVI=",
       "dev": true
+    },
+    "yaml": {
+      "version": "1.7.2",
+      "resolved": "https://registry.npmjs.org/yaml/-/yaml-1.7.2.tgz",
+      "integrity": "sha512-qXROVp90sb83XtAoqE8bP9RwAkTTZbugRUTm5YeFCBfNRPEp2YzTeqWiz7m5OORHzEvrA/qcGS8hp/E+MMROYw==",
+      "dev": true,
+      "requires": {
+        "@babel/runtime": "^7.6.3"
+      }
     }
   }
 }
diff --git a/backend/package.json b/backend/package.json
index ed14cfd..e3477e7 100644
--- a/backend/package.json
+++ b/backend/package.json
@@ -25,7 +25,7 @@
     "eslint": "^5.16.0",
     "eslint-config-google": "^0.12.0",
     "eslint-plugin-jsdoc": "^4.8.3",
-    "husky": "^1.3.1",
+    "husky": "^4.2.1",
     "prettier": "1.17.0",
     "pretty-quick": "^1.10.0"
   },