diff --git a/example/package-lock.json b/example/package-lock.json
index 6b45425..c57e214 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -4,15 +4,10 @@
   "lockfileVersion": 1,
   "requires": true,
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-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-1.0.6.tgz",
-      "integrity": "sha512-Xqg/lIZMrUd0VRmSRbCAewtwGZiAk3mEUDvV4op1tGl+LvyPcb/MIOSxTl9z+9+J+R4/vpjiCAT4xeKzH9ji1w=="
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
-      "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
+      "version": "17.0.39",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-17.0.39.tgz",
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@@ -42,6 +37,11 @@
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       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
     },
+    "any-promise": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha512-7UvmKalWRt1wgjL1RrGxoSJW/0QZFIegpeGvZG9kjp8vrRu55XTHbwnqq2GpXm9uLbcuhxm3IqX9OB4MZR1b2A=="
+    },
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       "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
@@ -97,11 +97,6 @@
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-      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.5.3.tgz",
-      "integrity": "sha512-/qKPUQlaW1OyR51WeCPBvRnAlnZFUJkCSG5HzGnuIqhgyJtF+T94lFnn33eiazjRm2LAHVy2guNnaq48X9SJuw=="
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@@ -116,15 +111,6 @@
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-      "resolved": "https://registry.npmjs.org/cls-bluebird/-/cls-bluebird-2.1.0.tgz",
-      "integrity": "sha1-N+8eCAqP+1XC9BZPU28ZGeeWiu4=",
-      "requires": {
-        "is-bluebird": "^1.0.2",
-        "shimmer": "^1.1.0"
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@@ -162,11 +148,11 @@
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-      "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
-      "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.4.tgz",
+      "integrity": "sha512-PRWFHuSU3eDtQJPvnNY7Jcket1j0t5OuOsFzPPzsekD52Zl8qUfFIPEiswXqIvHWGVHOgX+7G/vCNNhehwxfkQ==",
       "requires": {
-        "ms": "^2.1.1"
+        "ms": "2.1.2"
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@@ -184,20 +170,15 @@
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       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o="
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-    "depd": {
-      "version": "1.1.2",
-      "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
-      "integrity": "sha1-m81S4UwJd2PnSbJ0xDRu0uVgtak="
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     "detect-libc": {
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       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-1.0.3.tgz",
       "integrity": "sha1-+hN8S9aY7fVc1c0CrFWfkaTEups="
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     "dottie": {
-      "version": "2.0.1",
-      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.1.tgz",
-      "integrity": "sha512-ch5OQgvGDK2u8pSZeSYAQaV/lczImd7pMJ7BcEPXmnFVjy4yJIzP6CsODJUTH8mg1tyH1Z2abOiuJO3DjZ/GBw=="
+      "version": "2.0.2",
+      "resolved": "https://registry.npmjs.org/dottie/-/dottie-2.0.2.tgz",
+      "integrity": "sha512-fmrwR04lsniq/uSr8yikThDTrM7epXHBAAjH9TbeH3rEA8tdCO7mRzB9hdmdGyJCxF8KERo9CITcm3kGuoyMhg=="
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@@ -258,11 +239,6 @@
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-      "resolved": "https://registry.npmjs.org/generic-pool/-/generic-pool-3.4.2.tgz",
-      "integrity": "sha512-H7cUpwCQSiJmAHM4c/aFu6fUfrhWXW1ncyh8ftxEPMu6AiYkHw9K8br720TGPZJbk5eOH2bynjZD1yPvdDAmag=="
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@@ -332,7 +308,7 @@
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       "resolved": "https://registry.npmjs.org/inflection/-/inflection-1.12.0.tgz",
-      "integrity": "sha1-ogCTVlbW9fa8TcdQLhrstwMihBY="
+      "integrity": "sha512-lRy4DxuIFWXlJU7ed8UiTJOSTqStqYdEb4CEbtXfNbkdj3nH1L+reUWiE10VWcJS2yR7tge8Z74pJjtBjNwj0w=="
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@@ -353,11 +329,6 @@
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-    "is-bluebird": {
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-      "resolved": "https://registry.npmjs.org/is-bluebird/-/is-bluebird-1.0.2.tgz",
-      "integrity": "sha1-CWQ5Bg9KpBGr7hkUOoTWpVNG1uI="
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@@ -413,9 +384,17 @@
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-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
-      "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg=="
+      "version": "4.17.21",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.21.tgz",
+      "integrity": "sha512-v2kDEe57lecTulaDIuNTPy3Ry4gLGJ6Z1O3vE1krgXZNrsQ+LFTGHVxVjcXPs17LhbZVGedAJv8XZ1tvj5FvSg=="
+    },
+    "lru-cache": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+      "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+      "requires": {
+        "yallist": "^4.0.0"
+      }
     },
     "mime-db": {
       "version": "1.37.0",
@@ -452,22 +431,22 @@
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     "moment": {
-      "version": "2.23.0",
-      "resolved": "https://registry.npmjs.org/moment/-/moment-2.23.0.tgz",
-      "integrity": "sha512-3IE39bHVqFbWWaPOMHZF98Q9c3LDKGTmypMiTM2QygGXXElkFWIH7GxfmlwmY2vwa+wmNsoYZmG2iusf1ZjJoA=="
+      "version": "2.29.3",
+      "resolved": "https://registry.npmjs.org/moment/-/moment-2.29.3.tgz",
+      "integrity": "sha512-c6YRvhEo//6T2Jz/vVtYzqBzwvPT95JBQ+smCytzf7c50oMZRsR/a4w88aD34I+/QVSfnoAnSBFPJHItlOMJVw=="
     },
     "moment-timezone": {
-      "version": "0.5.23",
-      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.23.tgz",
-      "integrity": "sha512-WHFH85DkCfiNMDX5D3X7hpNH3/PUhjTGcD0U1SgfBGZxJ3qUmJh5FdvaFjcClxOvB3rzdfj4oRffbI38jEnC1w==",
+      "version": "0.5.34",
+      "resolved": "https://registry.npmjs.org/moment-timezone/-/moment-timezone-0.5.34.tgz",
+      "integrity": "sha512-3zAEHh2hKUs3EXLESx/wsgw6IQdusOT8Bxm3D9UrHPQR7zlMmzwybC8zHEM1tQ4LJwP7fcxrWr8tuBg05fFCbg==",
       "requires": {
         "moment": ">= 2.9.0"
       }
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     "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=="
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     "nan": {
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@@ -682,27 +661,11 @@
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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",
+      "integrity": "sha512-CybGs60B7oYU/qSQ6kuaFmRd9sTZ6oXSc0toqePvV74Ac6/IFZSI1ReFQmtCN+uvW1Mtqdwpvt/LGOiCBAY2Mg==",
       "requires": {
-        "bluebird": "^3.4.6",
-        "debug": "^2.6.9"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "2.6.9",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-2.6.9.tgz",
-          "integrity": "sha512-bC7ElrdJaJnPbAP+1EotYvqZsb3ecl5wi6Bfi6BJTUcNowp6cvspg0jXznRTKDjm/E7AdgFBVeAPVMNcKGsHMA==",
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-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.0.0.tgz",
-          "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
-        }
+        "any-promise": "^1.3.0"
       }
     },
     "rimraf": {
@@ -734,39 +697,50 @@
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     "sequelize": {
-      "version": "4.42.0",
-      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-4.42.0.tgz",
-      "integrity": "sha512-qxAYnX4rcv7PbNtEidb56REpxNJCdbN0qyk1jb3+e6sE7OrmS0nYMU+MFVbNTJtZfSpOEEL1TX0TkMw+wzZBxg==",
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-        "bluebird": "^3.5.0",
-        "cls-bluebird": "^2.1.0",
-        "debug": "^3.1.0",
-        "depd": "^1.1.0",
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/sequelize/-/sequelize-6.1.0.tgz",
+      "integrity": "sha512-8x603RQrj14QZ4dGpsYPMr3YGqsihNX9WPclNN83prwrhHAJH9LHfOG/pK2XUdrwYtbRz+2a7xKXK7rVdw3P2A==",
+      "requires": {
+        "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": "^4.17.15",
+        "moment": "^2.26.0",
+        "moment-timezone": "^0.5.31",
+        "retry-as-promised": "^3.2.0",
+        "semver": "^7.3.2",
+        "sequelize-pool": "^6.0.0",
         "toposort-class": "^1.0.1",
-        "uuid": "^3.2.1",
-        "validator": "^10.4.0",
-        "wkx": "^0.4.1"
+        "uuid": "^8.1.0",
+        "validator": "^10.11.0",
+        "wkx": "^0.5.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "7.3.7",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.7.tgz",
+          "integrity": "sha512-QlYTucUYOews+WeEujDoEGziz4K6c47V/Bd+LjSSYcA94p+DmINdf7ncaUinThfvZyu13lN9OY1XDxt8C0Tw0g==",
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "uuid": {
+          "version": "8.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+          "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
+        }
       }
     },
+    "sequelize-pool": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/sequelize-pool/-/sequelize-pool-6.1.0.tgz",
+      "integrity": "sha512-4YwEw3ZgK/tY/so+GfnSgXkdwIJJ1I32uZJztIEgZeAO6HMgj64OzySbWLgxj+tXhZCJnzRfkY9gINw8Ft8ZMg=="
+    },
     "set-blocking": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha1-BF+XgtARrppoA93TgrJDkrPYkPc="
     },
-    "shimmer": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/shimmer/-/shimmer-1.2.0.tgz",
-      "integrity": "sha512-xTCx2vohXC2EWWDqY/zb4+5Mu28D+HYNSOuFzsyRDRvI/e1ICb69afwaUwfjr+25ZXldbOLyp+iDUZHq8UnTag=="
-    },
     "signal-exit": {
       "version": "3.0.2",
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
@@ -898,23 +872,6 @@
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-    "terraformer": {
-      "version": "1.0.9",
-      "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"
-      }
-    },
     "toposort-class": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
@@ -968,9 +925,9 @@
       "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
     },
     "validator": {
-      "version": "10.10.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-10.10.0.tgz",
-      "integrity": "sha512-DyZyLJlMXM3CGdVaVHE/EDzCagMRoPI3mmGdxxNQbqkGqh56+M3d1i0ZAWd69En8U21DHbPTn12aOdhO+hfm5w=="
+      "version": "10.11.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-10.11.0.tgz",
+      "integrity": "sha512-X/p3UZerAIsbBfN/IwahhYaBbY68EN/UQBWHtsbXGT5bfrH/p4NQzUCG1kF/rtKaNpnJ7jAu6NGTdSNtyNIXMw=="
     },
     "verror": {
       "version": "1.10.0",
@@ -991,9 +948,9 @@
       }
     },
     "wkx": {
-      "version": "0.4.6",
-      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.4.6.tgz",
-      "integrity": "sha512-LHxXlzRCYQXA9ZHgs8r7Gafh0gVOE8o3QmudM1PIkOdkXXjW7Thcl+gb2P2dRuKgW8cqkitCRZkkjtmWzpHi7A==",
+      "version": "0.5.0",
+      "resolved": "https://registry.npmjs.org/wkx/-/wkx-0.5.0.tgz",
+      "integrity": "sha512-Xng/d4Ichh8uN4l0FToV/258EjMGU9MGcA0HV2d9B/ZpZB3lqQm7nkOdZdm5GhKtLLhAE7PiVQwN4eN+2YJJUg==",
       "requires": {
         "@types/node": "*"
       }
@@ -1002,6 +959,11 @@
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
+    },
+    "yallist": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+      "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
     }
   }
 }
diff --git a/example/package.json b/example/package.json
index 64361b5..a588d9d 100644
--- a/example/package.json
+++ b/example/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "sequelize": "^4.42.0",
+    "sequelize": "^6.1.0",
     "sqlite3": "^4.0.4"
   }
 }