diff --git a/package-lock.json b/package-lock.json
index 998110e..ebd225b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -571,7 +571,7 @@
       "dependencies": {
         "chalk": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
           "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
           "dev": true,
           "requires": {
@@ -1093,9 +1093,9 @@
       "dev": true
     },
     "bson": {
-      "version": "1.1.0",
-      "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",
+      "integrity": "sha512-kDuEzldR21lHciPQAIulLs1LZlCXdLziXI6Mb/TDkwXhb//UORJNPXgcRs2CuO4H0DcMkpfT3/ySsP3unoZjBg=="
     },
     "buffer-from": {
       "version": "1.1.1",
@@ -1129,7 +1129,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "requires": {
             "core-util-is": "~1.0.0",
@@ -1308,7 +1308,7 @@
       "dependencies": {
         "commander": {
           "version": "2.14.1",
-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.14.1.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.14.1.tgz",
           "integrity": "sha512-+YR16o3rK53SmWHU3rEM3tPAh2rwb1yPcQX5irVn7mb0gXbwuCCrnkbV5+PBfETdfg1vui07nM6PCG1zndcjQw=="
         }
       }
@@ -1579,7 +1579,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "requires": {
             "core-util-is": "~1.0.0",
@@ -2716,7 +2716,7 @@
     },
     "minimist": {
       "version": "0.0.10",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
       "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
     },
     "mkdirp": {
@@ -2755,7 +2755,7 @@
       "dependencies": {
         "commander": {
           "version": "2.15.1",
-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
+          "resolved": "https://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
           "integrity": "sha512-VlfT9F3V0v+jr4yxPc5gg9s62/fIVWsd2Bk2iD435um1NlGMYdVCq+MjcXnhYq2icNOizHr1kK+5TI6H0Hy0ag==",
           "dev": true
         },
@@ -2794,18 +2794,18 @@
       }
     },
     "mongodb": {
-      "version": "3.1.8",
-      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-3.1.8.tgz",
-      "integrity": "sha512-yNKwYxQ6m00NV6+pMoWoheFTHSQVv1KkSrfOhRDYMILGWDYtUtQRqHrFqU75rmPIY8hMozVft8zdC4KYMWaM3Q==",
+      "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"
       },
       "dependencies": {
         "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",
@@ -3056,6 +3056,7 @@
           "version": "0.1.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "kind-of": "^3.0.2",
             "longest": "^1.0.1",
@@ -3380,7 +3381,8 @@
         "is-buffer": {
           "version": "1.1.6",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "is-builtin-module": {
           "version": "1.0.0",
@@ -3464,6 +3466,7 @@
           "version": "3.2.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
             "is-buffer": "^1.1.5"
           }
@@ -3510,7 +3513,8 @@
         "longest": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "lru-cache": {
           "version": "4.1.3",
@@ -3776,7 +3780,8 @@
         "repeat-string": {
           "version": "1.6.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "require-directory": {
           "version": "2.1.1",
@@ -4433,7 +4438,7 @@
     },
     "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": {
         "core-util-is": "~1.0.0",
@@ -5010,7 +5015,7 @@
       "dependencies": {
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         }
diff --git a/package.json b/package.json
index d6ae4b3..921c300 100644
--- a/package.json
+++ b/package.json
@@ -78,7 +78,7 @@
     "iconv-lite": "^0.4.24",
     "latlon-geohash": "^1.1.0",
     "mapshaper": "^0.4.98",
-    "mongodb": "^3.1.8",
+    "mongodb": "^3.1.13",
     "mongoose": "^5.3.4",
     "multer": "^1.4.1",
     "mustache": "^3.0.0",