diff --git a/backend/package-lock.json b/backend/package-lock.json
old mode 100755
new mode 100644
index 7b326ce..2fe3288
--- a/backend/package-lock.json
+++ b/backend/package-lock.json
@@ -1145,19 +1145,36 @@
       "integrity": "sha1-0WkB0QzOxZUWwZe5zNiTBom4E7Q="
     },
     "aws-sdk": {
-      "version": "2.503.0",
-      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.503.0.tgz",
-      "integrity": "sha512-DPwRxhPYCGNvKL9rUhpAoOVpMRyISbVMlXykLQknYo7wyOI+jYcyA7t8H7IFPAqj4ZG+R+Au9tO/KT4im+2gbg==",
+      "version": "2.814.0",
+      "resolved": "https://registry.npmjs.org/aws-sdk/-/aws-sdk-2.814.0.tgz",
+      "integrity": "sha512-empd1m/J/MAkL6d9OeRpmg9thobULu0wk4v8W3JToaxGi2TD7PIdvE6yliZKyOVAdJINhBWEBhxR4OUIHhcGbQ==",
       "requires": {
-        "buffer": "4.9.1",
+        "buffer": "4.9.2",
         "events": "1.1.1",
-        "ieee754": "1.1.8",
+        "ieee754": "1.1.13",
         "jmespath": "0.15.0",
         "querystring": "0.2.0",
         "sax": "1.2.1",
         "url": "0.10.3",
         "uuid": "3.3.2",
         "xml2js": "0.4.19"
+      },
+      "dependencies": {
+        "buffer": {
+          "version": "4.9.2",
+          "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.2.tgz",
+          "integrity": "sha512-xq+q3SRMOxGivLhBNaUdC64hDTQwejJ+H0T/NB1XMtTVEwNTrfFF3gAxiyW0Bu/xWEGhjVKgUcMhCrUy2+uCWg==",
+          "requires": {
+            "base64-js": "^1.0.2",
+            "ieee754": "^1.1.4",
+            "isarray": "^1.0.0"
+          }
+        },
+        "ieee754": {
+          "version": "1.1.13",
+          "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.13.tgz",
+          "integrity": "sha512-4vf7I2LYV/HaWerSo3XmlMkp5eZ83i+/CDluXi/IGTs/O1sejBNhTtnxzmRZfvOUqj7lZjqHkeTvpgSFDlWZTg=="
+        }
       }
     },
     "aws-xray-sdk": {
@@ -1534,6 +1551,7 @@
       "version": "4.9.1",
       "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
       "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
+      "dev": true,
       "requires": {
         "base64-js": "^1.0.2",
         "ieee754": "^1.1.4",
@@ -4771,7 +4789,8 @@
     "ieee754": {
       "version": "1.1.8",
       "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz",
-      "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q="
+      "integrity": "sha1-vjPUCsEO8ZJnAfbwii2G+/0a0+Q=",
+      "dev": true
     },
     "iferr": {
       "version": "0.1.5",
@@ -5197,7 +5216,7 @@
     },
     "jmespath": {
       "version": "0.15.0",
-      "resolved": "https://nexus.solutions.consensys-uk.net/repository/komgo-npm-group/jmespath/-/jmespath-0.15.0.tgz",
+      "resolved": "https://registry.npmjs.org/jmespath/-/jmespath-0.15.0.tgz",
       "integrity": "sha1-o/Iiqarp+Wb10nx5ZRDigJF2Qhc="
     },
     "js-string-escape": {
@@ -7357,7 +7376,7 @@
     },
     "sax": {
       "version": "1.2.1",
-      "resolved": "https://nexus.solutions.consensys-uk.net/repository/komgo-npm-group/sax/-/sax-1.2.1.tgz",
+      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.1.tgz",
       "integrity": "sha1-e45lYZCyKOgaZq6nSEgNgozS03o="
     },
     "schema-utils": {
@@ -9247,7 +9266,7 @@
     },
     "xml2js": {
       "version": "0.4.19",
-      "resolved": "https://nexus.solutions.consensys-uk.net/repository/komgo-npm-group/xml2js/-/xml2js-0.4.19.tgz",
+      "resolved": "https://registry.npmjs.org/xml2js/-/xml2js-0.4.19.tgz",
       "integrity": "sha512-esZnJZJOiJR9wWKMyuvSE1y6Dq5LCuJanqhxslH2bxM6duahNZ+HMpCLhBQGZkbX6xRf8x1Y2eJlgt2q3qo49Q==",
       "requires": {
         "sax": ">=0.6.0",
@@ -9256,7 +9275,7 @@
     },
     "xmlbuilder": {
       "version": "9.0.7",
-      "resolved": "https://nexus.solutions.consensys-uk.net/repository/komgo-npm-group/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
+      "resolved": "https://registry.npmjs.org/xmlbuilder/-/xmlbuilder-9.0.7.tgz",
       "integrity": "sha1-Ey7mPS7FVlxVfiD0wi35rKaGsQ0="
     },
     "xtend": {
diff --git a/backend/package.json b/backend/package.json
old mode 100755
new mode 100644
index 3a966bf..24ed93f
--- a/backend/package.json
+++ b/backend/package.json
@@ -26,7 +26,7 @@
     "@types/node": "^10.14.14",
     "@typescript-eslint/eslint-plugin": "^1.13.0",
     "@typescript-eslint/parser": "^1.13.0",
-    "aws-sdk": "^2.503.0",
+    "aws-sdk": "^2.814.0",
     "eslint": "^5.16.0",
     "eslint-config-prettier": "^6.0.0",
     "eslint-plugin-prettier": "^3.1.0",