diff --git a/package.json b/package.json
index 56e3383..b868d3f 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,7 @@
     "mysql2": "^1.6.1",
     "prettier": "^1.14.2",
     "pretty-quick": "^1.6.0",
-    "sequelize": "^4.38.0",
+    "sequelize": "^5.2.9",
     "superagent": "3.8.3",
     "supertest": "3.1.0"
   },
diff --git a/yarn.lock b/yarn.lock
index 88a1841..6602dec 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -529,10 +529,6 @@
   dependencies:
     "@types/node" "*"
 
-"@types/geojson@^1.0.0":
-  version "1.0.6"
-  resolved "https://registry.yarnpkg.com/@types/geojson/-/geojson-1.0.6.tgz#3e02972728c69248c2af08d60a48cbb8680fffdf"
-
 "@types/node@*":
   version "10.5.7"
   resolved "https://registry.yarnpkg.com/@types/node/-/node-10.5.7.tgz#960d9feb3ade2233bcc9843c918d740b4f78a7cf"
@@ -680,6 +676,11 @@ ansicolors@~0.3.2:
   version "0.3.2"
   resolved "https://registry.yarnpkg.com/ansicolors/-/ansicolors-0.3.2.tgz#665597de86a9ffe3aa9bfbe6cae5c6ea426b4979"
 
+any-promise@^1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/any-promise/-/any-promise-1.3.0.tgz#abc6afeedcea52e809cdc0376aed3ce39635d17f"
+  integrity sha1-q8av7tzqUugJzcA3au0845Y10X8=
+
 anymatch@^1.3.0:
   version "1.3.2"
   resolved "https://registry.yarnpkg.com/anymatch/-/anymatch-1.3.2.tgz#553dcb8f91e3c889845dfdba34c77721b90b9d7a"
@@ -1432,10 +1433,15 @@ blob@0.0.4:
   version "0.0.4"
   resolved "https://registry.yarnpkg.com/blob/-/blob-0.0.4.tgz#bcf13052ca54463f30f9fc7e95b9a47630a94921"
 
-bluebird@^3.0.5, bluebird@^3.4.1, bluebird@^3.4.6, bluebird@^3.5.0, bluebird@^3.5.1:
+bluebird@^3.0.5, bluebird@^3.4.1, bluebird@^3.5.0, bluebird@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
+bluebird@^3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.3.tgz#7d01c6f9616c9a51ab0f8c549a79dfe6ec33efa7"
+  integrity sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw==
+
 body-parser@1.18.2:
   version "1.18.2"
   resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.18.2.tgz#87678a19d84b47d859b83199bd59bce222b10454"
@@ -2092,6 +2098,13 @@ debug@3.1.0, debug@^3.1.0, debug@~3.1.0:
   dependencies:
     ms "2.0.0"
 
+debug@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/debug/-/debug-4.1.1.tgz#3b72260255109c6b589cee050f1d516139664791"
+  integrity sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==
+  dependencies:
+    ms "^2.1.1"
+
 decamelize@^1.0.0, decamelize@^1.1.1, decamelize@^1.1.2:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/decamelize/-/decamelize-1.2.0.tgz#f6534d15148269b20352e7bee26f501f9a191290"
@@ -2174,7 +2187,7 @@ depd@1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.1.tgz#5783b4e1c459f06fa5ca27f991f3d06e7a310359"
 
-depd@^1.1.0, depd@~1.1.1, depd@~1.1.2:
+depd@~1.1.1, depd@~1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/depd/-/depd-1.1.2.tgz#9bcd52e14c097763e749b274c4346ed2e560b5a9"
 
@@ -3014,10 +3027,6 @@ generate-function@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/generate-function/-/generate-function-2.0.0.tgz#6858fe7c0969b7d4e9093337647ac79f60dfbe74"
 
-generic-pool@^3.4.0:
-  version "3.4.2"
-  resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-3.4.2.tgz#92ff7196520d670839a67308092a12aadf2f6a59"
-
 get-caller-file@^1.0.1:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/get-caller-file/-/get-caller-file-1.0.3.tgz#f978fa4c90d1dfe7ff2d6beda2a515e713bdcf4a"
@@ -4660,10 +4669,15 @@ lodash.unescape@4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/lodash.unescape/-/lodash.unescape-4.0.1.tgz#bf2249886ce514cda112fae9218cdc065211fc9c"
 
-lodash@4.17.10, lodash@^4.13.1, lodash@^4.17.0, lodash@^4.17.1, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
+lodash@4.17.10, lodash@^4.13.1, lodash@^4.17.0, lodash@^4.17.10, lodash@^4.17.4, lodash@^4.17.5, lodash@^4.3.0:
   version "4.17.10"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
 
+lodash@^4.17.11:
+  version "4.17.11"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.11.tgz#b39ea6229ef607ecd89e2c8df12536891cac9b8d"
+  integrity sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==
+
 log-chopper@^1.0.2:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/log-chopper/-/log-chopper-1.0.2.tgz#a88da7a47a9f0e511eda4d5e1dc840e0eaf4547a"
@@ -4940,16 +4954,22 @@ mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
   dependencies:
     minimist "0.0.8"
 
-moment-timezone@^0.5.14:
-  version "0.5.21"
-  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.21.tgz#3cba247d84492174dbf71de2a9848fa13207b845"
+moment-timezone@^0.5.21:
+  version "0.5.23"
+  resolved "https://registry.yarnpkg.com/moment-timezone/-/moment-timezone-0.5.23.tgz#7cbb00db2c14c71b19303cb47b0fb0a6d8651463"
+  integrity sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==
   dependencies:
     moment ">= 2.9.0"
 
-"moment@>= 2.9.0", moment@^2.20.0, moment@^2.22.2:
+"moment@>= 2.9.0", moment@^2.22.2:
   version "2.22.2"
   resolved "https://registry.yarnpkg.com/moment/-/moment-2.22.2.tgz#3c257f9839fc0e93ff53149632239eb90783ff66"
 
+moment@^2.24.0:
+  version "2.24.0"
+  resolved "https://registry.yarnpkg.com/moment/-/moment-2.24.0.tgz#0d055d53f5052aa653c9f6eb68bb5d12bf5c2b5b"
+  integrity sha512-bV7f+6l2QigeBBZSM/6yTNq4P2fNpSWj/0e7jQcy87A8e7o2nAfP/34/2ky5Vw4B9S446EtIhodAzkFCcR4dQg==
+
 morgan@~1.9.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/morgan/-/morgan-1.9.0.tgz#d01fa6c65859b76fcf31b3cb53a3821a311d8051"
@@ -4968,6 +4988,11 @@ ms@2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/ms/-/ms-2.0.0.tgz#5608aeadfc00be6c2901df5f9861788de0d597c8"
 
+ms@^2.1.1:
+  version "2.1.1"
+  resolved "https://registry.yarnpkg.com/ms/-/ms-2.1.1.tgz#30a5864eb3ebb0a66f2ebe6d727af06a09d86e0a"
+  integrity sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+
 mustache@^2.2.1:
   version "2.3.1"
   resolved "https://registry.yarnpkg.com/mustache/-/mustache-2.3.1.tgz#ef5db3c0d11f1640e9baa47f4e65ba0c3fcd82b9"
@@ -5997,12 +6022,12 @@ ret@~0.1.10:
   version "0.1.15"
   resolved "https://registry.yarnpkg.com/ret/-/ret-0.1.15.tgz#b8a4825d5bdb1fc3f6f53c2bc33f81388681c7bc"
 
-retry-as-promised@^2.3.2:
-  version "2.3.2"
-  resolved "https://registry.yarnpkg.com/retry-as-promised/-/retry-as-promised-2.3.2.tgz#cd974ee4fd9b5fe03cbf31871ee48221c07737b7"
+retry-as-promised@^3.1.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/retry-as-promised/-/retry-as-promised-3.2.0.tgz#769f63d536bec4783549db0777cb56dadd9d8543"
+  integrity sha512-CybGs60B7oYU/qSQ6kuaFmRd9sTZ6oXSc0toqePvV74Ac6/IFZSI1ReFQmtCN+uvW1Mtqdwpvt/LGOiCBAY2Mg==
   dependencies:
-    bluebird "^3.4.6"
-    debug "^2.6.9"
+    any-promise "^1.3.0"
 
 right-align@^0.1.1:
   version "0.1.3"
@@ -6093,6 +6118,11 @@ sax@^1.2.4:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/semver/-/semver-5.5.0.tgz#dc4bbc7a6ca9d916dee5d43516f0092b58f7b8ab"
 
+semver@^5.6.0:
+  version "5.7.0"
+  resolved "https://registry.yarnpkg.com/semver/-/semver-5.7.0.tgz#790a7cf6fea5459bac96110b29b60412dc8ff96b"
+  integrity sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==
+
 send@0.16.2:
   version "0.16.2"
   resolved "https://registry.yarnpkg.com/send/-/send-0.16.2.tgz#6ecca1e0f8c156d141597559848df64730a6bbc1"
@@ -6128,27 +6158,33 @@ sequelize-cli@^4.0.0:
     umzug "^2.1.0"
     yargs "^8.0.2"
 
-sequelize@^4.38.0:
-  version "4.38.0"
-  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-4.38.0.tgz#330c1aa445d4e46b80a97d895603c01666cdc357"
+sequelize-pool@^1.0.2:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/sequelize-pool/-/sequelize-pool-1.0.2.tgz#89c767882bbdb8a41dac66922ed9820939a5401e"
+  integrity sha512-VMKl/gCCdIvB1gFZ7p+oqLFEyZEz3oMMYjkKvfEC7GoO9bBcxmfOOU9RdkoltfXGgBZFigSChihRly2gKtsh2w==
+  dependencies:
+    bluebird "^3.5.3"
+
+sequelize@^5.2.9:
+  version "5.2.9"
+  resolved "https://registry.yarnpkg.com/sequelize/-/sequelize-5.2.9.tgz#cad6fd31344a3de48f1778156f94ea352962e83c"
+  integrity sha512-cH09d3areG0T+wapMeRw8GxpIM1RPYARRhzIfh5Y4PSufRdjbHFg/TsN1K0EWEa27immxyPx5TN38US30Ge3dQ==
   dependencies:
     bluebird "^3.5.0"
     cls-bluebird "^2.1.0"
-    debug "^3.1.0"
-    depd "^1.1.0"
+    debug "^4.1.1"
     dottie "^2.0.0"
-    generic-pool "^3.4.0"
     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"
+    lodash "^4.17.11"
+    moment "^2.24.0"
+    moment-timezone "^0.5.21"
+    retry-as-promised "^3.1.0"
+    semver "^5.6.0"
+    sequelize-pool "^1.0.2"
     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"
 
 serve-static@1.13.2:
   version "1.13.2"
@@ -6712,19 +6748,6 @@ term-img@^2.1.0:
     ansi-escapes "^2.0.0"
     iterm2-version "^2.1.0"
 
-terraformer-wkt-parser@^1.1.2:
-  version "1.2.0"
-  resolved "https://registry.yarnpkg.com/terraformer-wkt-parser/-/terraformer-wkt-parser-1.2.0.tgz#c9d6ac3dff25f4c0bd344e961f42694961834c34"
-  dependencies:
-    "@types/geojson" "^1.0.0"
-    terraformer "~1.0.5"
-
-terraformer@~1.0.5:
-  version "1.0.9"
-  resolved "https://registry.yarnpkg.com/terraformer/-/terraformer-1.0.9.tgz#77851fef4a49c90b345dc53cf26809fdf29dcda6"
-  optionalDependencies:
-    "@types/geojson" "^1.0.0"
-
 test-exclude@^4.2.1:
   version "4.2.1"
   resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
@@ -7043,7 +7066,12 @@ validate-npm-package-license@^3.0.1:
     spdx-correct "^3.0.0"
     spdx-expression-parse "^3.0.0"
 
-validator@^10.2.0, validator@^10.4.0:
+validator@^10.11.0:
+  version "10.11.0"
+  resolved "https://registry.yarnpkg.com/validator/-/validator-10.11.0.tgz#003108ea6e9a9874d31ccc9e5006856ccd76b228"
+  integrity sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw==
+
+validator@^10.2.0:
   version "10.5.0"
   resolved "https://registry.yarnpkg.com/validator/-/validator-10.5.0.tgz#1debbe1e6f5fd0c920ed2af47516f3762033939c"
 
@@ -7148,9 +7176,10 @@ with@~4.0.0:
     acorn "^1.0.1"
     acorn-globals "^1.0.3"
 
-wkx@^0.4.1:
-  version "0.4.5"
-  resolved "https://registry.yarnpkg.com/wkx/-/wkx-0.4.5.tgz#a85e15a6e69d1bfaec2f3c523be3dfa40ab861d0"
+wkx@^0.4.6:
+  version "0.4.6"
+  resolved "https://registry.yarnpkg.com/wkx/-/wkx-0.4.6.tgz#228ab592e6457382ea6fb79fc825058d07fce523"
+  integrity sha512-LHxXlzRCYQXA9ZHgs8r7Gafh0gVOE8o3QmudM1PIkOdkXXjW7Thcl+gb2P2dRuKgW8cqkitCRZkkjtmWzpHi7A==
   dependencies:
     "@types/node" "*"
 
