diff --git a/backend/package-lock.json b/backend/package-lock.json
index a7fd8fa8..d1de8ff6 100644
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -611,11 +611,18 @@
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     },
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-      "version": "2.6.1",
-      "resolved": "https://registry.npmjs.org/async/-/async-2.6.1.tgz",
-      "integrity": "sha512-fNEiL2+AZt6AlAw/29Cr0UDe4sRAHCpEHh54WMz+Bb7QfNcFw4h3loofyJpLeQs4Yx7yuqu/2dLgM5hKOs6HlQ==",
+      "version": "2.6.4",
+      "resolved": "https://registry.npmjs.org/async/-/async-2.6.4.tgz",
+      "integrity": "sha512-mzo5dfJYwAn29PeiJ0zvwTo04zj8HDJj0Mn8TD7sno7q12prdbnasKJHhkm2c1LgrhlJ0teaea8860oxi51mGA==",
       "requires": {
-        "lodash": "^4.17.10"
+        "lodash": "^4.17.14"
+      },
+      "dependencies": {
+        "lodash": {
+          "version": "4.17.21",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+          "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+        }
       }
     },
     "async-request": {
@@ -630,12 +637,12 @@
       "dependencies": {
         "lodash": {
           "version": "3.10.1",
-          "resolved": "http://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-3.10.1.tgz",
           "integrity": "sha1-W/Rejkm6QYnhfUgnid/RW9FAt7Y="
         },
         "tough-cookie": {
           "version": "0.12.1",
-          "resolved": "http://registry.npmjs.org/tough-cookie/-/tough-cookie-0.12.1.tgz",
+          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-0.12.1.tgz",
           "integrity": "sha1-giDH4hq9WxPZaAQlS9WoHr8sfWI=",
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             "punycode": ">=0.2.0"
@@ -894,7 +901,7 @@
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         "is-accessor-descriptor": {
           "version": "0.1.6",
-          "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
           "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
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@@ -912,7 +919,7 @@
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         "is-data-descriptor": {
           "version": "0.1.4",
-          "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
           "requires": {
             "kind-of": "^3.0.2"
@@ -1047,7 +1054,7 @@
     },
     "colors": {
       "version": "1.0.3",
-      "resolved": "http://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+      "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
       "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
     },
     "colorspace": {
@@ -1397,7 +1404,7 @@
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         "is-accessor-descriptor": {
           "version": "0.1.6",
-          "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
           "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
           "requires": {
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@@ -1415,7 +1422,7 @@
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         "is-data-descriptor": {
           "version": "0.1.4",
-          "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
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@@ -1794,7 +1801,7 @@
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     "http-errors": {
       "version": "1.6.3",
-      "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+      "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
       "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
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@@ -2189,7 +2196,7 @@
       "dependencies": {
         "chalk": {
           "version": "2.3.2",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
           "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
           "requires": {
             "ansi-styles": "^3.2.1",
@@ -2813,7 +2820,7 @@
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         "is-accessor-descriptor": {
           "version": "0.1.6",
-          "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
           "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
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@@ -2821,7 +2828,7 @@
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         "is-data-descriptor": {
           "version": "0.1.4",
-          "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
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@@ -3394,7 +3401,7 @@
           "dependencies": {
             "kind-of": {
               "version": "2.0.1",
-              "resolved": "http://registry.npmjs.org/kind-of/-/kind-of-2.0.1.tgz",
+              "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-2.0.1.tgz",
               "integrity": "sha1-AY7HpM5+OobLkUG+UZ0kyPqpgbU=",
               "requires": {
                 "is-buffer": "^1.0.2"
@@ -3540,7 +3547,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
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@@ -3963,7 +3970,7 @@
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         "is-accessor-descriptor": {
           "version": "0.1.6",
-          "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
           "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
           "requires": {
             "kind-of": "^3.0.2"
@@ -3981,7 +3988,7 @@
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         "is-data-descriptor": {
           "version": "0.1.4",
-          "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
           "requires": {
             "kind-of": "^3.0.2"
@@ -4131,7 +4138,7 @@
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         "is-accessor-descriptor": {
           "version": "0.1.6",
-          "resolved": "http://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
+          "resolved": "https://registry.npmjs.org/is-accessor-descriptor/-/is-accessor-descriptor-0.1.6.tgz",
           "integrity": "sha1-qeEss66Nh2cn7u84Q/igiXtcmNY=",
           "requires": {
             "kind-of": "^3.0.2"
@@ -4149,7 +4156,7 @@
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         "is-data-descriptor": {
           "version": "0.1.4",
-          "resolved": "http://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
+          "resolved": "https://registry.npmjs.org/is-data-descriptor/-/is-data-descriptor-0.1.4.tgz",
           "integrity": "sha1-C17mSDiOLIYCgueT8YVv7D8wG1Y=",
           "requires": {
             "kind-of": "^3.0.2"