diff --git a/backend/package-lock.json b/backend/package-lock.json
index 5ddcd99..ff2d47a 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -80,14 +80,21 @@
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-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.6.1.tgz",
-      "integrity": "sha512-ZoJjft5B+EJBjUyu9C9Hc0OZyPZSSlOF+plzouTrg6UlA8f+e/n8NIgBFG/9tppJtpPWfthHakK7juJdNDODww==",
+      "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=="
+        }
       }
     },
     "array-flatten": {
@@ -235,11 +242,6 @@
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-    "crypto": {
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-      "resolved": "https://registry.npmjs.org/crypto/-/crypto-1.0.1.tgz",
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@@ -360,11 +362,6 @@
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-      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-2.0.1.tgz",
-      "integrity": "sha1-ewUhjd+WZ79/Nwv3/bLLFf3Qqkk="
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@@ -965,14 +962,6 @@
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-    "shortid": {
-      "version": "2.2.14",
-      "resolved": "https://registry.npmjs.org/shortid/-/shortid-2.2.14.tgz",
-      "integrity": "sha512-4UnZgr9gDdA1kaKj/38IiudfC3KHKhDc1zi/HSxd9FQDR0VLwH3/y79tZJLsVYPsJgIjeHjqIWaWVRJUj9qZOQ==",
-      "requires": {
-        "nanoid": "^2.0.0"
-      }
-    },
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       "resolved": "https://registry.npmjs.org/sliced/-/sliced-1.0.1.tgz",
@@ -1076,11 +1065,6 @@
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-    "uniqid": {
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-      "resolved": "https://registry.npmjs.org/uniqid/-/uniqid-5.0.3.tgz",
-      "integrity": "sha512-R2qx3X/LYWSdGRaluio4dYrPXAJACTqyUjuyXHoJLBUOIfmMcnYOyY2d6Y4clZcIz5lK6ZaI0Zzmm0cPfsIqzQ=="
-    },
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       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",