diff --git a/node_server/package-lock.json b/node_server/package-lock.json
index 63282bf..97e128f 100644
--- a/node_server/package-lock.json
+++ b/node_server/package-lock.json
@@ -36,9 +36,9 @@
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-      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.0.tgz",
-      "integrity": "sha512-9Aeai9TacfNtWXOYarkFJRW2CWo+dRon+fuLZYJmvLV3+MiUp0bEI6IAZfXEIg7/Pl/7IWlLaDnhzTsD81etQA=="
+      "version": "1.1.5",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-1.1.5.tgz",
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@@ -213,9 +213,9 @@
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-      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.1.0.tgz",
-      "integrity": "sha512-Mf9OHV/Y7h6YWDxTzX/b4ZZ4oh9NSXblQL8dtPCOomOtZciEHxePR78+uHFLLlsk01A6jVHhHsQZZ/WcIPpnzg==",
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
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       "optional": true
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@@ -247,18 +247,18 @@
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-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.8.tgz",
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+      "version": "3.1.13",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.13.tgz",
+      "integrity": "sha512-sz2dhvBZQWf3LRNDhbd30KHVzdjZx9IKC0L+kSZ/gzYquCF5zPOgGqRz6sSCqYZtKP2ekB4nfLxhGtzGHnIKxA==",
       "requires": {
-        "mongodb-core": "3.1.7",
+        "mongodb-core": "3.1.11",
         "safe-buffer": "^5.1.2"
       }
     },
     "mongodb-core": {
-      "version": "3.1.7",
-      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.7.tgz",
-      "integrity": "sha512-YffpSrLmgFNmrvkGx+yX00KyBNk64C0BalfEn6vHHkXtcMUGXw8nxrMmhq5eXPLLlYeBpD/CsgNxE2Chf0o4zQ==",
+      "version": "3.1.11",
+      "resolved": "https://registry.npmjs.org/mongodb-core/-/mongodb-core-3.1.11.tgz",
+      "integrity": "sha512-rD2US2s5qk/ckbiiGFHeu+yKYDXdJ1G87F6CG3YdaZpzdOm5zpoAZd/EKbPmFO6cQZ+XVXBXBJ660sSI0gc6qg==",
       "requires": {
         "bson": "^1.1.0",
         "require_optional": "^1.0.1",
@@ -349,18 +349,18 @@
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     },
     "saslprep": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.2.tgz",
-      "integrity": "sha512-4cDsYuAjXssUSjxHKRe4DTZC0agDwsCqcMqtJAQPzC74nJ7LfAJflAtC1Zed5hMzEQKj82d3tuzqdGNRsLJ4Gw==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/saslprep/-/saslprep-1.0.3.tgz",
+      "integrity": "sha512-/MY/PEMbk2SuY5sScONwhUDsV2p77Znkb/q3nSVstq/yQzYJOH/Azh29p9oJLsl3LnQwSvZDKagDGBsBwSooag==",
       "optional": true,
       "requires": {
         "sparse-bitfield": "^3.0.3"
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     "semver": {
-      "version": "5.6.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
-      "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
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     "send": {
       "version": "0.16.2",