diff --git a/package-lock.json b/package-lock.json
index eddb19e..a1dc737 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -63,11 +63,6 @@
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       "resolved": "https://registry.npmjs.org/@types/mime/-/mime-2.0.0.tgz",
@@ -127,6 +122,11 @@
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+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
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@@ -1396,11 +1396,6 @@
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@@ -1965,9 +1960,9 @@
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-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.23.tgz",
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+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.27.tgz",
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@@ -2099,6 +2094,7 @@
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@@ -3281,7 +3277,8 @@
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-          "dev": true
+          "dev": true,
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@@ -5110,12 +5107,11 @@
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-      "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-2.3.2.tgz",
-      "integrity": "sha1-zZdO5P2bX+A8vzGHHuSCIcB3N7c=",
+      "version": "3.2.0",
+      "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-3.2.0.tgz",
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-        "debug": "^2.6.9"
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@@ -5191,41 +5187,54 @@
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+      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-5.15.1.tgz",
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-        "debug": "^3.1.0",
-        "depd": "^1.1.0",
+        "debug": "^4.1.1",
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-        "lodash": "^4.17.1",
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-        "moment-timezone": "^0.5.14",
-        "retry-as-promised": "^2.3.2",
-        "semver": "^5.5.0",
-        "terraformer-wkt-parser": "^1.1.2",
+        "lodash": "^4.17.11",
+        "moment": "^2.24.0",
+        "moment-timezone": "^0.5.21",
+        "retry-as-promised": "^3.1.0",
+        "semver": "^6.1.1",
+        "sequelize-pool": "^2.3.0",
         "toposort-class": "^1.0.1",
         "uuid": "^3.2.1",
-        "validator": "^10.4.0",
-        "wkx": "^0.4.1"
+        "validator": "^10.11.0",
+        "wkx": "^0.4.6"
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-          "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
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+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
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             "ms": "^2.1.1"
           }
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+        "lodash": {
+          "version": "4.17.15",
+          "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+          "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+        },
+        "moment": {
+          "version": "2.24.0",
+          "resolved": "https://registry.npmjs.org/moment/-/moment-2.24.0.tgz",
+          "integrity": "sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg=="
+        },
         "ms": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
         }
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     },
@@ -5244,6 +5253,11 @@
         "yargs": "^12.0.5"
       }
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+    "sequelize-pool": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/sequelize-pool/-/sequelize-pool-2.3.0.tgz",
+      "integrity": "sha512-Ibz08vnXvkZ8LJTiUOxRcj1Ckdn7qafNZ2t59jYHMX1VIebTAOYefWdRYFt6z6+hy52WGthAHAoLc9hvk3onqA=="
+    },
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       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
@@ -5279,9 +5293,9 @@
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-      "resolved": "https://registry.npmjs.org/shimmer/-/shimmer-1.2.0.tgz",
-      "integrity": "sha512-xTCx2vohXC2EWWDqY/zb4+5Mu28D+HYNSOuFzsyRDRvI/e1ICb69afwaUwfjr+25ZXldbOLyp+iDUZHq8UnTag=="
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/shimmer/-/shimmer-1.2.1.tgz",
+      "integrity": "sha512-sQTKC1Re/rM6XyFM6fIAGHRPVGvyXfgzIDvzoq608vM+jeyVD0Tu1E6Np0Kc2zAIFWIj963V2800iF/9LPieQw=="
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@@ -5448,23 +5462,6 @@
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-    "terraformer": {
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-      "resolved": "https://registry.npmjs.org/terraformer/-/terraformer-1.0.9.tgz",
-      "integrity": "sha512-YlmQ1fsMWTkKGDGibCRWgmLzrpDRUr63Q025LJ/taYQ6j1Yb8q9McKF7NBi6ACAyUXO6F/bl9w6v4MY307y5Ag==",
-      "requires": {
-        "@types/geojson": "^1.0.0"
-      }
-    },
-    "terraformer-wkt-parser": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/terraformer-wkt-parser/-/terraformer-wkt-parser-1.2.0.tgz",
-      "integrity": "sha512-QU3iA54St5lF8Za1jg1oj4NYc8sn5tCZ08aNSWDeGzrsaV48eZk1iAVWasxhNspYBoCqdHuoot1pUTUrE1AJ4w==",
-      "requires": {
-        "@types/geojson": "^1.0.0",
-        "terraformer": "~1.0.5"
-      }
-    },
     "through": {
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       "resolved": "https://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -5598,9 +5595,9 @@
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     },
     "validator": {
-      "version": "10.9.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-10.9.0.tgz",
-      "integrity": "sha512-hZJcZSWz9poXBlAkjjcsNAdrZ6JbjD3kWlNjq/+vE7RLLS/+8PAj3qVVwrwsOz/WL8jPmZ1hYkRvtlUeZAm4ug=="
+      "version": "10.11.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+      "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
     },
     "vary": {
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@@ -5649,9 +5646,9 @@
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     "wkx": {
-      "version": "0.4.6",
-      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.6.tgz",
-      "integrity": "sha512-LHxXlzRCYQXA9ZHgs8r7Gafh0gVOE8o3QmudM1PIkOdkXXjW7Thcl+gb2P2dRuKgW8cqkitCRZkkjtmWzpHi7A==",
+      "version": "0.4.8",
+      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.8.tgz",
+      "integrity": "sha512-ikPXMM9IR/gy/LwiOSqWlSL3X/J5uk9EO2hHNRXS41eTLXaUFEVw9fn/593jW/tE5tedNg8YjT5HkCa4FqQZyQ==",
       "requires": {
         "@types/node": "*"
       }
diff --git a/package.json b/package.json
index 1d5d057..400a113 100644
--- a/package.json
+++ b/package.json
@@ -47,7 +47,7 @@
     "passport-http-bearer": "^1.0.1",
     "pg": "^7.4.3",
     "pg-hstore": "^2.3.2",
-    "sequelize": "^4.41.2",
+    "sequelize": "^5.15.1",
     "sequelize-cli": "^5.4.0",
     "utf-8-validate": "^4.0.2",
     "ws": "^3.3.3"