diff --git a/package-lock.json b/package-lock.json
index 88e9c91..ef9bb4e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -143,7 +143,8 @@
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-          "resolved": "http://registry.npmjs.org/commander/-/commander-2.15.1.tgz",
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@@ -4025,7 +4026,7 @@
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-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
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@@ -4274,7 +4275,7 @@
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-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
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@@ -4487,41 +4490,70 @@
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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",
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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/moment/-/moment-2.24.0.tgz",
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+          "resolved": "https://registry.npmjs.org/retry-as-promised/-/retry-as-promised-3.2.0.tgz",
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+          "requires": {
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+          }
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+        },
+        "validator": {
+          "version": "10.11.0",
+          "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+          "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
+        },
+        "wkx": {
+          "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": "*"
+          }
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@@ -4673,6 +4705,11 @@
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+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/sequelize-pool/-/sequelize-pool-2.3.0.tgz",
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+    },
     "serve-static": {
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       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.13.2.tgz",
@@ -4952,6 +4989,7 @@
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+      "dev": true,
       "requires": {
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       }
@@ -4960,6 +4998,7 @@
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+      "dev": true,
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@@ -5282,6 +5321,7 @@
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+      "dev": true,
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@@ -5318,7 +5358,7 @@
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-          "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
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@@ -5361,7 +5401,7 @@
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-      "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+      "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
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diff --git a/package.json b/package.json
index 33d36ca..4568aee 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
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     "request": "^2.88.0",
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-    "sequelize": "^4.41.0",
+    "sequelize": "^5.15.1",
     "validator": "^10.8.0",
     "winston": "^3.2.1"
   },