diff --git a/.github/dependabot.yml b/.github/dependabot.yml
new file mode 100644
index 0000000..4f5ecdd
--- /dev/null
+++ b/.github/dependabot.yml
@@ -0,0 +1,15 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://help.github.com/github/administering-a-repository/configuration-options-for-dependency-updates
+
+version: 2
+updates:
+  - package-ecosystem: "npm" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "daily"
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "daily"
diff --git a/example/package-lock.json b/example/package-lock.json
index 277f1d7..9c9f8d9 100644
--- a/example/package-lock.json
+++ b/example/package-lock.json
@@ -1,891 +1,344 @@
 {
   "name": "example",
   "version": "1.0.0",
-  "lockfileVersion": 1,
+  "lockfileVersion": 2,
   "requires": true,
-  "dependencies": {
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-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/@types/geojson/-/geojson-1.0.6.tgz",
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-    },
-    "@types/node": {
-      "version": "10.12.18",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.18.tgz",
-      "integrity": "sha512-fh+pAqt4xRzPfqA6eh3Z2y6fyZavRIumvjhaCL753+TVkGKGhpPeyrJG2JftD0T9q4GF00KjefsQ+PQNDdWQaQ=="
-    },
-    "abbrev": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
-      "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q=="
-    },
-    "ajv": {
-      "version": "6.6.2",
-      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.6.2.tgz",
-      "integrity": "sha512-FBHEW6Jf5TB9MGBgUUA9XHkTbjXYfAUjY43ACMfmdMRHniyoMHjHjzD50OK8LGDWQwp4rWEsIq5kEqq7rvIM1g==",
-      "requires": {
-        "fast-deep-equal": "^2.0.1",
-        "fast-json-stable-stringify": "^2.0.0",
-        "json-schema-traverse": "^0.4.1",
-        "uri-js": "^4.2.2"
-      }
-    },
-    "ansi-regex": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-2.1.1.tgz",
-      "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8="
-    },
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-      "resolved": "https://registry.npmjs.org/aproba/-/aproba-1.2.0.tgz",
-      "integrity": "sha512-Y9J6ZjXtoYh8RnXVCMOU/ttDmk1aBjunq9vO0ta5x85WDQiQfUF9sIPBITdbiiIVcBo03Hi3jMxigBtsddlXRw=="
-    },
-    "are-we-there-yet": {
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-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.5.tgz",
-      "integrity": "sha512-5hYdAkZlcG8tOLujVDTgCT+uPX0VnpAH28gWsLfzpXYm7wP6mp5Q/gYyR7YQ0cKVJcXJnl3j2kpBan13PtQf6w==",
-      "requires": {
-        "delegates": "^1.0.0",
-        "readable-stream": "^2.0.6"
-      }
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-    "asn1": {
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-      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
-      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
-      "requires": {
-        "safer-buffer": "~2.1.0"
-      }
-    },
-    "assert-plus": {
+  "packages": {
+    "": {
+      "name": "example",
       "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
-      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU="
-    },
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-      "version": "0.4.0",
-      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
-      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k="
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-      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg="
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-      "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
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-      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
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-      "requires": {
-        "is-bluebird": "^1.0.2",
-        "shimmer": "^1.1.0"
+      "license": "MIT",
+      "dependencies": {
+        "sequelize": "^6.6.5",
+        "sqlite3": "npm:@vscode/sqlite3@^5.0.7"
       }
     },
-    "code-point-at": {
-      "version": "1.1.0",
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-      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+    "node_modules/@types/node": {
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+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.12.tgz",
+      "integrity": "sha512-+2Iggwg7PxoO5Kyhvsq9VarmPbIelXP070HMImEpbtGCoyWNINQj4wzjbQCXzdHTRXnqufutJb5KAURZANNBAw=="
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-      "requires": {
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-      }
+    "node_modules/any-promise": {
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+      "resolved": "https://registry.npmjs.org/any-promise/-/any-promise-1.3.0.tgz",
+      "integrity": "sha1-q8av7tzqUugJzcA3au0845Y10X8="
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+      },
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+      },
+      "peerDependenciesMeta": {
+        "supports-color": {
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+        }
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+        "node-addon-api": "^4.2.0"
       }
     },
     "toposort-class": {
@@ -893,93 +346,28 @@
       "resolved": "https://registry.npmjs.org/toposort-class/-/toposort-class-1.0.1.tgz",
       "integrity": "sha1-f/0feMi+KMO6Rc1OGj9e4ZO9mYg="
     },
-    "tough-cookie": {
-      "version": "2.4.3",
-      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
-      "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
-      "requires": {
-        "psl": "^1.1.24",
-        "punycode": "^1.4.1"
-      },
-      "dependencies": {
-        "punycode": {
-          "version": "1.4.1",
-          "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
-          "integrity": "sha1-wNWmOycYgArY4esPpSachN1BhF4="
-        }
-      }
-    },
-    "tunnel-agent": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
-      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
-      "requires": {
-        "safe-buffer": "^5.0.1"
-      }
-    },
-    "tweetnacl": {
-      "version": "0.14.5",
-      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
-    },
-    "uri-js": {
-      "version": "4.2.2",
-      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
-      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
-      "requires": {
-        "punycode": "^2.1.0"
-      }
-    },
-    "util-deprecate": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
-      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8="
-    },
     "uuid": {
-      "version": "3.3.2",
-      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
-      "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+      "version": "8.3.2",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-8.3.2.tgz",
+      "integrity": "sha512-+NYs2QeMWy+GWFOEm9xnn6HCDp0l7QBD7ml8zLUmJ+93Q5NF0NocErnwkTkXVFNiX3/fpC6afS8Dhb/gz7R7eg=="
     },
     "validator": {
-      "version": "10.10.0",
-      "resolved": "https://registry.npmjs.org/validator/-/validator-10.10.0.tgz",
-      "integrity": "sha512-DyZyLJlMXM3CGdVaVHE/EDzCagMRoPI3mmGdxxNQbqkGqh56+M3d1i0ZAWd69En8U21DHbPTn12aOdhO+hfm5w=="
-    },
-    "verror": {
-      "version": "1.10.0",
-      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
-      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
-      "requires": {
-        "assert-plus": "^1.0.0",
-        "core-util-is": "1.0.2",
-        "extsprintf": "^1.2.0"
-      }
-    },
-    "wide-align": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.3.tgz",
-      "integrity": "sha512-QGkOQc8XL6Bt5PwnsExKBPuMKBxnGxWWW3fU55Xt4feHozMUhdUMaBCk290qpm/wG5u/RSKzwdAC4i51YigihA==",
-      "requires": {
-        "string-width": "^1.0.2 || 2"
-      }
+      "version": "13.7.0",
+      "resolved": "https://registry.npmjs.org/validator/-/validator-13.7.0.tgz",
+      "integrity": "sha512-nYXQLCBkpJ8X6ltALua9dRrZDHVYxjJ1wgskNt1lH9fzGjs3tgojGSCBjmEPwkWS1y29+DrizMTW19Pr9uB2nw=="
     },
     "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": "*"
       }
     },
-    "wrappy": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/wrappy/-/wrappy-1.0.2.tgz",
-      "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8="
-    },
     "yallist": {
-      "version": "3.0.3",
-      "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
-      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+      "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..6f31fe3 100644
--- a/example/package.json
+++ b/example/package.json
@@ -9,7 +9,7 @@
   "author": "",
   "license": "MIT",
   "dependencies": {
-    "sequelize": "^4.42.0",
-    "sqlite3": "^4.0.4"
+    "sequelize": "^6.6.5",
+    "sqlite3": "npm:@vscode/sqlite3@^5.0.7"
   }
 }
diff --git a/lib/migrate.js b/lib/migrate.js
index e0aac78..91cbe00 100644
--- a/lib/migrate.js
+++ b/lib/migrate.js
@@ -538,9 +538,9 @@ const parseDifference = function(previousState, currentState)
 
 
 function shuffleArray(array) {
-    for (var i = array.length - 1; i > 0; i--) {
-        var j = Math.floor(Math.random() * (i + 1));
-        var temp = array[i];
+    for (let i = array.length - 1; i > 0; i--) {
+        let j = Math.floor(Math.random() * (i + 1));
+        let temp = array[i];
         array[i] = array[j];
         array[j] = temp;
     }
@@ -760,7 +760,7 @@ let res = `{ fn: "removeIndex", params: [
 
 const writeMigration = function(revision, migration, migrationsDir, name = '', comment = '')
 {
-    let _commands = "var migrationCommands = [ \n" + migration.commandsUp.join(", \n") +' \n];\n';
+    let _commands = "let migrationCommands = [ \n" + migration.commandsUp.join(", \n") +' \n];\n';
     let _actions = ' * ' + migration.consoleOut.join("\n * ");
     
     _commands = beautify(_commands);
@@ -773,7 +773,7 @@ const writeMigration = function(revision, migration, migrationsDir, name = '', c
     
     let template = `'use strict';
 
-var Sequelize = require('sequelize');
+let Sequelize = require('sequelize');
 
 /**
  * Actions summary:
@@ -782,7 +782,7 @@ ${_actions}
  *
  **/
 
-var info = ${JSON.stringify(info, null, 4)};
+let info = ${JSON.stringify(info, null, 4)};
 
 ${_commands}
 
@@ -790,7 +790,7 @@ module.exports = {
     pos: 0,
     up: function(queryInterface, Sequelize)
     {
-        var index = this.pos;
+        let index = this.pos;
         return new Promise(function(resolve, reject) {
             function next() {
                 if (index < migrationCommands.length)
diff --git a/package.json b/package.json
index 5a7d385..57aaa89 100644
--- a/package.json
+++ b/package.json
@@ -31,13 +31,13 @@
   },
   "homepage": "https://github.com/matmar10/sequelize-lazy-migrations#readme",
   "dependencies": {
-    "async": "^2.5.1",
+    "async": "^3.2.2",
     "command-line-args": "^5.0.2",
-    "deep-diff": "^0.3.8",
+    "deep-diff": "^1.0.2",
     "js-beautify": "^1.8.9",
     "lodash": "^4.17.11",
-    "object-hash": "^1.3.1",
-    "sequelize": "^4.42.0"
+    "object-hash": "^2.2.0",
+    "sequelize": "^6.11.0"
   },
   "devDependencies": {
     "release-it": "^14.9.0"