diff --git a/backend/package-lock.json b/backend/package-lock.json
index 39c5c25..31e826a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -41,14 +41,21 @@
       }
     },
     "ajv": {
-      "version": "6.10.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.2.tgz",
-      "integrity": "sha512-TXtUUEYHuaTEbLZWIKUr5pmBuhDLy+8KYtPYdcV8qC+pOZL+NKqYwvWSRrVXHn+ZmRRAu8vJTAznH7Oag6RVRw==",
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
       "requires": {
-        "fast-deep-equal": "^2.0.1",
+        "fast-deep-equal": "^3.1.1",
         "fast-json-stable-stringify": "^2.0.0",
         "json-schema-traverse": "^0.4.1",
         "uri-js": "^4.2.2"
+      },
+      "dependencies": {
+        "fast-deep-equal": {
+          "version": "3.1.3",
+          "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
+          "integrity": "sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q=="
+        }
       }
     },
     "ansi-align": {
@@ -546,6 +553,8 @@
     },
     "cors": {
       "version": "2.8.5",
+      "resolved": "https://registry.npmjs.org/cors/-/cors-2.8.5.tgz",
+      "integrity": "sha512-KIHbLJqu73RGr/hnbrO9uBeixNGuvSQjul/jdFvS/KFSIH1hWVd1ng7zOHx+YrEfInLG7q4n6GHQ9cDtxv/P6g==",
       "requires": {
         "object-assign": "^4",
         "vary": "^1"
@@ -776,6 +785,8 @@
     },
     "express": {
       "version": "4.17.1",
+      "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
+      "integrity": "sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==",
       "requires": {
         "accepts": "~1.3.7",
         "array-flatten": "1.1.1",
@@ -905,11 +916,6 @@
       "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
       "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU="
     },
-    "fast-deep-equal": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
-    },
     "fast-json-stable-stringify": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.0.0.tgz",
@@ -2227,6 +2233,8 @@
     },
     "nodemon": {
       "version": "1.19.1",
+      "resolved": "https://registry.npmjs.org/nodemon/-/nodemon-1.19.1.tgz",
+      "integrity": "sha512-/DXLzd/GhiaDXXbGId5BzxP1GlsqtMGM9zTmkWrgXtSqjKmGSbLicM/oAy4FR0YWm14jCHRwnR31AHS2dYFHrg==",
       "dev": true,
       "requires": {
         "chokidar": "^2.1.5",
@@ -2419,6 +2427,8 @@
     },
     "pg": {
       "version": "7.12.0",
+      "resolved": "https://registry.npmjs.org/pg/-/pg-7.12.0.tgz",
+      "integrity": "sha512-q54Ic0oBXfDZMwheP8ALeUX32TUXvF7SNgAlZjyhkDuFCJkQCgcLBz0Be5uOrAj3ljSok/CI9lRbYzEko0z1Zw==",
       "requires": {
         "buffer-writer": "2.0.0",
         "packet-reader": "1.0.0",
diff --git a/backend/yarn.lock b/backend/yarn.lock
index 866b866..b4d4d6e 100644
--- a/backend/yarn.lock
+++ b/backend/yarn.lock
@@ -36,9 +36,9 @@ adal-node@^0.1.22:
     xpath.js "~1.1.0"
 
 ajv@^6.5.5:
-  version "6.11.0"
-  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.11.0.tgz#c3607cbc8ae392d8a5a536f25b21f8e5f3f87fe9"
-  integrity sha512-nCprB/0syFYy9fVYU1ox1l2KN8S9I+tziH8D4zdZuLT3N6RMlGSGt5FSTpAiHB/Whv8Qs1cWHma1aMKZyaHRKA==
+  version "6.12.6"
+  resolved "https://registry.yarnpkg.com/ajv/-/ajv-6.12.6.tgz#baf5a62e802b07d977034586f8c3baf5adf26df4"
+  integrity sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==
   dependencies:
     fast-deep-equal "^3.1.1"
     fast-json-stable-stringify "^2.0.0"
@@ -718,9 +718,9 @@ extsprintf@^1.2.0:
   integrity sha1-4mifjzVvrWLMplo6kcXfX5VRaS8=
 
 fast-deep-equal@^3.1.1:
-  version "3.1.1"
-  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.1.tgz#545145077c501491e33b15ec408c294376e94ae4"
-  integrity sha512-8UEa58QDLauDNfpbrX55Q9jrGHThw2ZMdOky5Gl1CDtVeJDPVrG4Jxx1N8jw2gkWaff5UUuX1KJd+9zGe2B+ZA==
+  version "3.1.3"
+  resolved "https://registry.yarnpkg.com/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz#3a7d56b559d6cbc3eb512325244e619a65c6c525"
+  integrity sha512-f3qQ9oQy9j2AhBe/H9VC91wLmKBCCU/gDOnKNAYG5hswO7BLKj09Hc5HYNz9cGI++xlpDCIgDaitVs03ATR84Q==
 
 fast-json-stable-stringify@^2.0.0:
   version "2.1.0"
@@ -2461,9 +2461,9 @@ update-notifier@^2.5.0:
     xdg-basedir "^3.0.0"
 
 uri-js@^4.2.2:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.2.2.tgz#94c540e1ff772956e2299507c010aea6c8838eb0"
-  integrity sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==
+  version "4.4.1"
+  resolved "https://registry.yarnpkg.com/uri-js/-/uri-js-4.4.1.tgz#9b1a52595225859e55f669d928f88c6c57f2a77e"
+  integrity sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==
   dependencies:
     punycode "^2.1.0"