diff --git a/.circleci/config.yml b/.circleci/config.yml
index fdc1ad9..eeb2da7 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -81,4 +81,6 @@ workflows:
             - unit-tests
           filters:
             branches:
-              only: master          
+              only: 
+                - master
+                - 0.x
diff --git a/.gitignore b/.gitignore
index 32fc96b..e1a4af3 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .idea
+.vscode
 **/node_modules
 **/lib
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index 393dd76..5ba3fc5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1152,24 +1152,12 @@
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@@ -1797,9 +1785,9 @@
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-      "resolved": "https://registry.npmjs.org/colorette/-/colorette-1.2.1.tgz",
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+      "version": "2.0.16",
+      "resolved": "https://registry.npmjs.org/colorette/-/colorette-2.0.16.tgz",
+      "integrity": "sha512-hUewv7oMjCp+wkBv5Rm0v87eJhq4woh5rSR+42YSQJKecCqgIqNkZ6lAlQms/BwHPJA5NKMRlpxPRv0n8HQW6g==",
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@@ -1825,9 +1813,9 @@
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+      "version": "8.3.0",
+      "resolved": "https://registry.npmjs.org/commander/-/commander-8.3.0.tgz",
+      "integrity": "sha512-OkTL9umf+He2DZkUq8f8J9of7yL6RJKI24dVITBmNfZBmri9zYZQrKkuXiKhyfPSu8tUhnVBB1iKXevvnlR4Ww==",
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     },
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@@ -2023,12 +2011,6 @@
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-      "resolved": "https://registry.npmjs.org/detect-file/-/detect-file-1.0.0.tgz",
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@@ -2136,6 +2118,12 @@
         "es6-promise": "^4.0.3"
       }
     },
+    "escalade": {
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+      "resolved": "https://registry.npmjs.org/escalade/-/escalade-3.1.1.tgz",
+      "integrity": "sha512-k0er2gUkLf8O0zKJiAhmkTnJlTvINGv7ygDNPbeIsX/TJjGJZHuh9B2UxbsaEkmlEo9MfhrSzmhIlhRlI2GXnw==",
+      "dev": true
+    },
     "escape-string-regexp": {
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@@ -2265,15 +2253,6 @@
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-      "dev": true,
-      "requires": {
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@@ -2479,37 +2458,6 @@
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@@ -2624,9 +2563,9 @@
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+      "resolved": "https://registry.npmjs.org/getopts/-/getopts-2.3.0.tgz",
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@@ -2660,30 +2599,6 @@
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@@ -2881,12 +2787,6 @@
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@@ -2964,6 +2854,15 @@
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+      "resolved": "https://registry.npmjs.org/knex/-/knex-1.0.1.tgz",
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-        "commander": "^6.2.0",
-        "debug": "4.3.1",
+        "colorette": "2.0.16",
+        "commander": "^8.3.0",
+        "debug": "4.3.3",
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-        "tarn": "^3.0.1",
-        "tildify": "2.0.0",
-        "v8flags": "^3.2.0"
+        "lodash": "^4.17.21",
+        "pg-connection-string": "2.5.0",
+        "rechoir": "^0.8.0",
+        "resolve-from": "^5.0.0",
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-    "parse-filepath": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/parse-filepath/-/parse-filepath-1.0.2.tgz",
-      "integrity": "sha512-FwdRXKCohSVeXqwtYonZTXtbGJKrn+HNyWDYVcp5yuJlesTwNH4rsmRZ+GrKAPJ5bLpRxESMeS+Rl0VCHRvB2Q==",
-      "dev": true,
-      "requires": {
-        "is-absolute": "^1.0.0",
-        "map-cache": "^0.2.0",
-        "path-root": "^0.1.1"
-      }
-    },
-    "parse-passwd": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmjs.org/parse-passwd/-/parse-passwd-1.0.0.tgz",
-      "integrity": "sha512-1Y1A//QUXEZK7YKz+rD9WydcE1+EuPr6ZBgKecAB8tmoW6UFv0NREVJe1p+jRxtThkcbbKkfwIbWJe/IeE6m2Q==",
-      "dev": true
-    },
     "parse5": {
       "version": "5.1.0",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-5.1.0.tgz",
@@ -5835,21 +5653,6 @@
       "integrity": "sha512-LDJzPVEEEPR+y48z93A0Ed0yXb8pAByGWo/k5YYdYgpY2/2EsOsksJrq7lOHxryrVOn1ejG6oAp8ahvOIQD8sw==",
       "dev": true
     },
-    "path-root": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/path-root/-/path-root-0.1.1.tgz",
-      "integrity": "sha512-QLcPegTHF11axjfojBIoDygmS2E3Lf+8+jI6wOVmNVenrKSo3mFdSGiIgdSHenczw3wPtlVMQaFVwGmM7BJdtg==",
-      "dev": true,
-      "requires": {
-        "path-root-regex": "^0.1.0"
-      }
-    },
-    "path-root-regex": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/path-root-regex/-/path-root-regex-0.1.2.tgz",
-      "integrity": "sha512-4GlJ6rZDhQZFE0DPVKh0e9jmZ5egZfxTkp7bcRDuPlJXbAwhxcl2dINPUAsjLdejqaLsCeg8axcLjIbvBjN4pQ==",
-      "dev": true
-    },
     "path-to-regexp": {
       "version": "1.8.0",
       "resolved": "https://registry.npmjs.org/path-to-regexp/-/path-to-regexp-1.8.0.tgz",
@@ -5879,9 +5682,9 @@
       "integrity": "sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns="
     },
     "pg-connection-string": {
-      "version": "2.4.0",
-      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.4.0.tgz",
-      "integrity": "sha512-3iBXuv7XKvxeMrIgym7njT+HlZkwZqqGX4Bu9cci8xHZNT+Um1gWKqCsAzcC0d95rcKMU5WBg6YRUcHyV0HZKQ==",
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.5.0.tgz",
+      "integrity": "sha512-r5o/V/ORTA6TmUnyWZR9nCj1klXCO2CEKNRlVuJptZe85QuhFayC7WeMic7ndayT5IRIR0S0xFxFi2ousartlQ==",
       "dev": true
     },
     "picomatch": {
@@ -6040,12 +5843,25 @@
       }
     },
     "rechoir": {
-      "version": "0.6.2",
-      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.6.2.tgz",
-      "integrity": "sha1-hSBLVNuoLVdC4oyWdW70OvUOM4Q=",
+      "version": "0.8.0",
+      "resolved": "https://registry.npmjs.org/rechoir/-/rechoir-0.8.0.tgz",
+      "integrity": "sha512-/vxpCXddiX8NGfGO/mTafwjq4aFa/71pvamip0++IQk3zG8cbCj0fifNPrjjF1XMXUne91jL9OoxmdykoEtifQ==",
       "dev": true,
       "requires": {
-        "resolve": "^1.1.6"
+        "resolve": "^1.20.0"
+      },
+      "dependencies": {
+        "resolve": {
+          "version": "1.22.0",
+          "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.22.0.tgz",
+          "integrity": "sha512-Hhtrw0nLeSrFQ7phPp4OOcVjLPIeMnRlr5mcnVuMe7M/7eBn98A3hmFRLoFo3DLZkivSYwhRUJTyPyWAk56WLw==",
+          "dev": true,
+          "requires": {
+            "is-core-module": "^2.8.1",
+            "path-parse": "^1.0.7",
+            "supports-preserve-symlinks-flag": "^1.0.0"
+          }
+        }
       }
     },
     "regex-not": {
@@ -6162,16 +5978,6 @@
         "resolve-from": "^5.0.0"
       }
     },
-    "resolve-dir": {
-      "version": "1.0.1",
-      "resolved": "https://registry.npmjs.org/resolve-dir/-/resolve-dir-1.0.1.tgz",
-      "integrity": "sha1-eaQGRMNivoLybv/nOcm7U4IEb0M=",
-      "dev": true,
-      "requires": {
-        "expand-tilde": "^2.0.0",
-        "global-modules": "^1.0.0"
-      }
-    },
     "resolve-from": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-5.0.0.tgz",
@@ -6819,6 +6625,12 @@
         }
       }
     },
+    "supports-preserve-symlinks-flag": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/supports-preserve-symlinks-flag/-/supports-preserve-symlinks-flag-1.0.0.tgz",
+      "integrity": "sha512-ot0WnXS9fgdkgIcePe6RHNk1WA8+muPa6cSjeR3V8K27q9BB1rTE3R1p7Hv0z1ZyAc8s6Vvv8DIyWf681MAt0w==",
+      "dev": true
+    },
     "symbol-tree": {
       "version": "3.2.4",
       "resolved": "https://registry.npmjs.org/symbol-tree/-/symbol-tree-3.2.4.tgz",
@@ -7102,15 +6914,9 @@
       }
     },
     "typescript": {
-      "version": "3.7.5",
-      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.5.tgz",
-      "integrity": "sha512-/P5lkRXkWHNAbcJIiHPfRoKqyd7bsyCma1hZNUGfn20qm64T6ZBlrzprymeu918H+mB/0rIg2gGK/BXkhhYgBw==",
-      "dev": true
-    },
-    "unc-path-regex": {
-      "version": "0.1.2",
-      "resolved": "https://registry.npmjs.org/unc-path-regex/-/unc-path-regex-0.1.2.tgz",
-      "integrity": "sha1-5z3T17DXxe2G+6xrCufYxqadUPo=",
+      "version": "4.3.4",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-4.3.4.tgz",
+      "integrity": "sha512-uauPG7XZn9F/mo+7MrsRjyvbxFpzemRjKEZXS4AK83oP2KKOJPvb+9cO/gmnv8arWZvhnjVOXz7B49m1l0e9Ew==",
       "dev": true
     },
     "union-value": {
@@ -7226,15 +7032,6 @@
         }
       }
     },
-    "v8flags": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.2.0.tgz",
-      "integrity": "sha512-mH8etigqMfiGWdeXpaaqGfs6BndypxusHHcv2qSHyZkGEznCd/qAXCWWRzeowtL54147cktFOC4P5y+kl8d8Jg==",
-      "dev": true,
-      "requires": {
-        "homedir-polyfill": "^1.0.1"
-      }
-    },
     "verror": {
       "version": "1.10.0",
       "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
diff --git a/package.json b/package.json
index f879684..646dcb1 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "knex-snowflake-dialect",
-  "version": "0.2.6",
+  "version": "1.0.0",
   "description": "knex.js dialect for the Snowflake data warehouse",
   "main": "lib/index.js",
   "types": "lib/index.d.ts",
@@ -57,7 +57,7 @@
     "snowflake-sdk": "1.6.0"
   },
   "peerDependencies": {
-    "knex": "0.21.21"
+    "knex": "^1.0.1"
   },
   "devDependencies": {
     "@types/bluebird": "3.5.29",
@@ -66,7 +66,7 @@
     "@types/node": "13.7.0",
     "chai": "4.2.0",
     "jest": "25.1.0",
-    "knex": "0.21.21",
+    "knex": "^1.0.1",
     "mocha": "7.1.1",
     "mysql": "2.18.1",
     "sinon": "9.0.1",
@@ -75,6 +75,6 @@
     "tslint": "6.1.0",
     "tslint-config-prettier": "1.18.0",
     "tslint-microsoft-contrib": "6.2.0",
-    "typescript": "3.7.5"
+    "typescript": "^4.3.4"
   }
 }
diff --git a/src/index.ts b/src/index.ts
index c2f1e26..fa473f1 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,15 +1,14 @@
 import * as Bluebird from "bluebird";
-import * as Knex from "knex";
+import { Knex, knex } from "knex";
 import { defer, fromPairs, isArray, map, toPairs } from "lodash";
-
 import { QueryCompiler } from "./query/QueryCompiler";
 import { SchemaCompiler, TableCompiler } from "./schema";
 import * as ColumnBuilder from "knex/lib/schema/columnbuilder";
-import * as ColumnCompiler_MySQL from "knex/lib/dialects/mysql/schema/columncompiler";
-import * as Transaction from "knex/lib/transaction";
+import * as ColumnCompiler_MySQL from "knex/lib/dialects/mysql/schema/mysql-columncompiler";
+import * as Transaction from "knex/lib/execution/transaction";
 import { promisify } from "util";
 
-export class SnowflakeDialect extends Knex.Client {
+export class SnowflakeDialect extends knex.Client {
   constructor(config = {
     dialect: "snowflake",
     driverName: "snowflake-sdk",
@@ -49,9 +48,9 @@ export class SnowflakeDialect extends Knex.Client {
     };
     return transax;
   }
-
-  queryCompiler(builder: any) {
-    return new QueryCompiler(this, builder);
+  // @ts-ignore
+  queryCompiler(builder: any, formatter: any) {
+    return new QueryCompiler(this, builder, formatter);
   }
 
   columnBuilder(tableBuilder: any, type: any, args: any) {
diff --git a/src/query/QueryCompiler.ts b/src/query/QueryCompiler.ts
index 439c3a8..3fceb44 100644
--- a/src/query/QueryCompiler.ts
+++ b/src/query/QueryCompiler.ts
@@ -1,9 +1,9 @@
 // @ts-ignore
-import * as QueryCompiler_MySQL from "knex/lib/dialects/mysql/query/compiler";
+import * as QueryCompiler_MySQL from "knex/lib/dialects/mysql/query/mysql-querycompiler";
 
 export class QueryCompiler extends QueryCompiler_MySQL {
-  constructor(client: any, builder: any) {
-    super(client, builder);
+  constructor(client: any, builder: any, formatter: any) {
+    super(client, builder, formatter);
   }
 
   forUpdate() {
diff --git a/src/schema/SchemaCompiler.ts b/src/schema/SchemaCompiler.ts
index 2cc3416..1b1f9ac 100644
--- a/src/schema/SchemaCompiler.ts
+++ b/src/schema/SchemaCompiler.ts
@@ -1,5 +1,5 @@
 // @ts-ignore
-import * as SchemaCompiler_MySQL from "knex/lib/dialects/mysql/schema/compiler";
+import * as SchemaCompiler_MySQL from "knex/lib/dialects/mysql/schema/mysql-compiler";
 
 export class SchemaCompiler extends SchemaCompiler_MySQL {
   constructor(client: any, builder: any) {
diff --git a/src/schema/TableCompiler.ts b/src/schema/TableCompiler.ts
index bd32b29..5093ee9 100644
--- a/src/schema/TableCompiler.ts
+++ b/src/schema/TableCompiler.ts
@@ -1,5 +1,5 @@
 // @ts-ignore
-import * as TableCompiler_MySQL from "knex/lib/dialects/mysql/schema/tablecompiler";
+import * as TableCompiler_MySQL from "knex/lib/dialects/mysql/schema/mysql-tablecompiler";
 
 export class TableCompiler extends TableCompiler_MySQL {
   constructor(client: any, builder: any) {
diff --git a/test/unit/query/builder.uspec.ts b/test/unit/query/builder.uspec.ts
index d5950d7..b110854 100644
--- a/test/unit/query/builder.uspec.ts
+++ b/test/unit/query/builder.uspec.ts
@@ -1,5 +1,4 @@
 import { SnowflakeDialect } from "../../../src";
-import { QueryBuilder } from "knex";
 import * as PostgresClient from "knex/lib/dialects/postgres";
 
 // use driverName as key
@@ -5874,7 +5873,7 @@ describe('QueryBuilder', () => {
       throw new Error('Should not reach this point');
     } catch (error) {
       expect(error.message).toEqual(
-        'Cannot chain .first() on "update" query!'
+        'Cannot chain .first() on "update" query'
       );
     }
   });
@@ -5890,7 +5889,7 @@ describe('QueryBuilder', () => {
       throw new Error('Should not reach this point');
     } catch (error) {
       expect(error.message).toEqual(
-        'Cannot chain .first() on "insert" query!'
+        'Cannot chain .first() on "insert" query'
       );
     }
   });
@@ -5905,7 +5904,7 @@ describe('QueryBuilder', () => {
 
       throw new Error('Should not reach this point');
     } catch (error) {
-      expect(error.message).toEqual('Cannot chain .first() on "del" query!');
+      expect(error.message).toEqual('Cannot chain .first() on "del" query');
     }
   });