diff --git a/package-lock.json b/package-lock.json
index f91ace6..bb58677 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -190,12 +190,13 @@
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+        "moment": ">= 2.9.0"
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@@ -5158,6 +5187,7 @@
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       "integrity": "sha1-GrKLVW4Zg2Oowab35vogE3/mrtk=",
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@@ -6317,12 +6347,11 @@
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-      "integrity": "sha1-zZdO5P2bX+A8vzGHHuSCIcB3N7c=",
+      "version": "3.2.0",
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-        "debug": "2.6.9"
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@@ -6417,41 +6446,44 @@
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-        "depd": "1.1.2",
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+        "cls-bluebird": "^2.1.0",
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-        "toposort-class": "1.0.1",
-        "uuid": "3.3.2",
-        "validator": "10.11.0",
-        "wkx": "0.4.6"
+        "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",
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+          "version": "2.1.2",
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+        },
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+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
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@@ -6478,6 +6510,73 @@
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+          "dev": true,
+          "requires": {
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+        "ms": {
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+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
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+          "dev": true
+        },
+        "retry-as-promised": {
+          "version": "2.3.2",
+          "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-2.3.2.tgz",
+          "integrity": "sha1-zZdO5P2bX+A8vzGHHuSCIcB3N7c=",
+          "dev": true,
+          "requires": {
+            "bluebird": "^3.4.6",
+            "debug": "^2.6.9"
+          },
+          "dependencies": {
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+              "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
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+              "dev": true,
+              "requires": {
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+              }
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+            "ms": {
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+              "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
+              "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=",
+              "dev": true
+            }
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+        },
+        "sequelize": {
+          "version": "4.42.1",
+          "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-4.42.1.tgz",
+          "integrity": "sha512-W9i/CkBjCHLzEkJQkaxXaK82MA16b7F74PjtE7EUR+d7WU/X3U+YU5givWR+/VRXay1VXDyBOfXgw9/zdhDSDg==",
+          "dev": true,
+          "requires": {
+            "bluebird": "^3.5.0",
+            "cls-bluebird": "^2.1.0",
+            "debug": "^3.1.0",
+            "depd": "^1.1.0",
+            "dottie": "^2.0.0",
+            "generic-pool": "3.5.0",
+            "inflection": "1.12.0",
+            "lodash": "^4.17.1",
+            "moment": "^2.20.0",
+            "moment-timezone": "^0.5.14",
+            "retry-as-promised": "^2.3.2",
+            "semver": "^5.5.0",
+            "terraformer-wkt-parser": "^1.1.2",
+            "toposort-class": "^1.0.1",
+            "uuid": "^3.2.1",
+            "validator": "^10.4.0",
+            "wkx": "^0.4.1"
+          }
         }
       }
     },
@@ -6496,6 +6595,11 @@
         "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=="
+    },
     "serve-static": {
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       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
@@ -7004,17 +7108,19 @@
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+      "dev": true,
       "requires": {
-        "@types/geojson": "1.0.6"
+        "@types/geojson": "^1.0.0"
       }
     },
     "terraformer-wkt-parser": {
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       "resolved": "https://registry.npmjs.org/terraformer-wkt-parser/-/terraformer-wkt-parser-1.2.0.tgz",
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+      "dev": true,
       "requires": {
-        "@types/geojson": "1.0.6",
-        "terraformer": "1.0.9"
+        "@types/geojson": "^1.0.0",
+        "terraformer": "~1.0.5"
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@@ -7500,11 +7606,11 @@
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-      "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": "11.10.4"
+        "@types/node": "*"
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diff --git a/package.json b/package.json
index bc83d66..21a524f 100644
--- a/package.json
+++ b/package.json
@@ -36,7 +36,7 @@
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     "passport": "^0.4.0",
     "passport-local": "^1.0.0",
-    "sequelize": "^4.41.0",
+    "sequelize": "^5.15.1",
     "sequelize-cli": "^5.2.0",
     "sqlite3": "^4.0.4"
   },