diff --git a/packages/backend/src/db/database.ts b/packages/backend/src/db/database.ts
index 6e38029..c4769ca 100644
--- a/packages/backend/src/db/database.ts
+++ b/packages/backend/src/db/database.ts
@@ -1,5 +1,4 @@
-import { create } from 'anydb-sql-2';
-import * as migrations from 'anydb-sql-2-migrations';
+import { anydbSQL, createMigration, MigrationTask } from 'anydb-sql-3';
 import * as Promise from 'bluebird';
 import { AppSingleton } from '@h4bff/core';
 
@@ -9,9 +8,9 @@ import { AppSingleton } from '@h4bff/core';
  * Additionally, it stores the db migration tasks and provides API for migrations.
  */
 export class Database extends AppSingleton {
-  private migrations: migrations.MigrationTask[] = [];
+  private migrations: MigrationTask[] = [];
 
-  db = create({
+  db = anydbSQL({
     url: process.env['POSTGRES_URL'],
     connections: { min: 2, max: Number(process.env['DB_MAX_CONNS'] || '20') },
   });
@@ -19,7 +18,7 @@ export class Database extends AppSingleton {
   /**
    * Ads new migration task.
    */
-  addMigrations(mig: migrations.MigrationTask[]) {
+  addMigrations(mig: MigrationTask[]) {
     this.migrations.push(...mig);
   }
 
@@ -34,23 +33,26 @@ export class Database extends AppSingleton {
    * Runs the migrations stored in the migration list.
    */
   runMigrations(): void | Promise<void> {
-    const sequence = migrations.create(this.db, this.migrations);
-    return sequence.run();
+    const sequence = createMigration(this.db, this.migrations);
+    // TODO: Remove cast to any
+    return sequence.run() as any;
   }
 
   /**
    * Runs "UP" database migration.
    */
-  upMigrations(opts: { silent: boolean }): Promise<void> {
-    const sequence = migrations.create(this.db, this.migrations);
-    return sequence.migrate(opts);
+  upMigrations(_opts: { silent: boolean }): Promise<void> {
+    const sequence = createMigration(this.db, this.migrations);
+    // TODO: Remove cast to any
+    return sequence.migrate() as any;
   }
 
   /**
    * Runs "DOWN" database migration.
    */
   downMigrations(): Promise<void> {
-    const sequence = migrations.create(this.db, this.migrations);
-    return sequence.drop();
+    const sequence = createMigration(this.db, this.migrations);
+    // TODO: Remove cast to any
+    return sequence.drop() as any;
   }
 }
diff --git a/packages/backend/src/db/transactionProvider.spec.ts b/packages/backend/src/db/transactionProvider.spec.ts
index 7d2e6b9..f1a5b88 100644
--- a/packages/backend/src/db/transactionProvider.spec.ts
+++ b/packages/backend/src/db/transactionProvider.spec.ts
@@ -1,7 +1,7 @@
 import { App } from '@h4bff/core';
 import { TransactionProvider } from './transactionProvider';
 import { Database } from './database';
-import { AnydbSql, Transaction, AnyDBPool } from 'anydb-sql-2';
+import { AnydbSql, Transaction } from 'anydb-sql-3';
 
 describe('TransactionProvider', () => {
   describe('Transaction and connection getters', () => {
@@ -10,15 +10,13 @@ describe('TransactionProvider', () => {
       process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
 
       // prepare Database mock
-      let pool = {} as AnyDBPool;
       let transaction = {} as Transaction;
       app.overrideSingleton(
         Database,
         class MockDatabase extends Database {
           db = ({
-            getPool: jest.fn(() => pool),
             begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
+          } as any) as AnydbSql<any>;
         },
       );
 
@@ -27,54 +25,6 @@ describe('TransactionProvider', () => {
 
       expect(transactionProvider.tx).toEqual(transaction);
     });
-
-    it(`should return existing transaction as connection`, () => {
-      let app = new App();
-      process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
-
-      // prepare Database mock
-      let pool = {} as AnyDBPool;
-      let transaction = {} as Transaction;
-      app.overrideSingleton(
-        Database,
-        class MockDatabase extends Database {
-          db = ({
-            getPool: jest.fn(() => pool),
-            begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
-        },
-      );
-
-      let sCtx = app.createServiceContext();
-      let transactionProvider = new TransactionProvider(sCtx);
-      transactionProvider.tx;
-
-      expect(transactionProvider.conn).toEqual(transaction);
-    });
-
-    it(`should return the pool as connection if there is not transaction created yet`, () => {
-      let app = new App();
-      process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
-
-      // prepare Database mock
-      let pool = {} as AnyDBPool;
-      let transaction = {} as Transaction;
-      app.overrideSingleton(
-        Database,
-        class MockDatabase extends Database {
-          db = ({
-            getPool: jest.fn(() => pool),
-            begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
-        },
-      );
-
-      let sCtx = app.createServiceContext();
-      let transactionProvider = new TransactionProvider(sCtx);
-      transactionProvider.tx;
-
-      expect(transactionProvider.conn).toEqual(pool);
-    });
   });
 
   describe('onDispose', () => {
@@ -83,7 +33,6 @@ describe('TransactionProvider', () => {
       process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
 
       // prepare Database mock
-      let pool = {} as AnyDBPool;
       let transaction = ({
         rollbackAsync: jest.fn(() => Promise.resolve()),
         commitAsync: jest.fn(() => Promise.resolve()),
@@ -92,9 +41,8 @@ describe('TransactionProvider', () => {
         Database,
         class MockDatabase extends Database {
           db = ({
-            getPool: jest.fn(() => pool),
             begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
+          } as any) as AnydbSql<any>;
         },
       );
 
@@ -111,7 +59,6 @@ describe('TransactionProvider', () => {
       process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
 
       // prepare Database mock
-      let pool = {} as AnyDBPool;
       let transaction = ({
         rollbackAsync: jest.fn(() => Promise.resolve()),
         commitAsync: jest.fn(() => Promise.resolve()),
@@ -120,9 +67,8 @@ describe('TransactionProvider', () => {
         Database,
         class MockDatabase extends Database {
           db = ({
-            getPool: jest.fn(() => pool),
             begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
+          } as any) as AnydbSql<any>;
         },
       );
 
@@ -140,7 +86,6 @@ describe('TransactionProvider', () => {
       process.env.POSTGRES_URL = 'postgres://user:password@localhost:5432/database';
 
       // prepare Database mock
-      let pool = {} as AnyDBPool;
       let transaction = ({
         rollbackAsync: jest.fn(() => Promise.resolve()),
         commitAsync: jest.fn(() => Promise.resolve()),
@@ -149,9 +94,8 @@ describe('TransactionProvider', () => {
         Database,
         class MockDatabase extends Database {
           db = ({
-            getPool: jest.fn(() => pool),
             begin: jest.fn(() => transaction),
-          } as any) as AnydbSql;
+          } as any) as AnydbSql<any>;
         },
       );
 
diff --git a/packages/backend/src/db/transactionProvider.ts b/packages/backend/src/db/transactionProvider.ts
index b225683..6f91315 100644
--- a/packages/backend/src/db/transactionProvider.ts
+++ b/packages/backend/src/db/transactionProvider.ts
@@ -1,5 +1,5 @@
 import * as Promise from 'bluebird';
-import { Transaction } from 'anydb-sql-2';
+import { Transaction } from 'anydb-sql-3';
 import { BaseService, ServiceContext } from '@h4bff/core';
 import { Database } from './database';
 import { TransactionCleaner } from './transactionCleaner';
@@ -11,7 +11,6 @@ import { TransactionCleaner } from './transactionCleaner';
  */
 export class TransactionProvider extends BaseService {
   private db = this.getSingleton(Database).db;
-  private pool = this.db.getPool();
   private _tx: Transaction | null = null;
 
   constructor(context: ServiceContext) {
@@ -24,25 +23,21 @@ export class TransactionProvider extends BaseService {
     return this._tx;
   }
 
-  get conn() {
-    if (this._tx) return this._tx;
-    return this.pool;
-  }
-
   /**
    * Gets called on context disposal and makes sure that the transaction
    * is disposed properly. If an error occured it rollbacks the transaction,
    * otherwise it commits it.
    */
-  onDispose(error: Error | null) {
+  onDispose(error: Error | null): Promise<any> {
     if (this._tx) {
       let tx = this._tx;
       this._tx = null;
 
       // TODO: get logger singleton in this TX provider, and log that the rollback could
       // not be performend (unless its "method rollback unavailable in state closed")
-      if (error) return tx.rollbackAsync().catch(() => {});
-      else return tx.commitAsync();
+      // TODO: Remove cast as any
+      if (error) return tx.rollbackAsync().catch(() => {}) as any;
+      else return tx.commitAsync() as any;
     }
     return Promise.resolve();
   }
diff --git a/packages/example/src/files-plugin.spec.ts b/packages/example/src/files-plugin.spec.ts
index 2446856..d9afb0d 100644
--- a/packages/example/src/files-plugin.spec.ts
+++ b/packages/example/src/files-plugin.spec.ts
@@ -1,4 +1,5 @@
 import * as fp from './files-plugin';
+import { Transaction } from 'anydb-sql-3';
 import { TransactionProvider } from '@h4bff/backend';
 import { App, BaseService } from '@h4bff/core';
 
@@ -6,7 +7,7 @@ import * as Bromise from 'bluebird';
 import { UserService } from './files-plugin';
 
 class TxMock extends BaseService {
-  get tx() {
+  get tx(): Transaction {
     return {
       queryAsync: (<T>(query: { text: string; arguments: any[] }) => {
         console.log('TX QUERYASYNC', query);
@@ -18,9 +19,9 @@ class TxMock extends BaseService {
       commitAsync() {
         return null as any;
       },
-    };
+    } as any;
   }
-  conn: any;
+
   onDispose() {
     return Bromise.resolve();
   }
diff --git a/packages/example/src/files-plugin.ts b/packages/example/src/files-plugin.ts
index d776017..aae8f7c 100644
--- a/packages/example/src/files-plugin.ts
+++ b/packages/example/src/files-plugin.ts
@@ -1,6 +1,6 @@
 import { mapSeries } from 'bluebird';
 import * as Promise from 'bluebird';
-import { Table } from 'anydb-sql-2';
+import { Table } from 'anydb-sql-3';
 import { v4 as uuid } from 'uuid';
 import { Database, TransactionProvider, RPCServiceRegistry } from '@h4bff/backend';
 import { BaseService, App, AppSingleton } from '@h4bff/core';
@@ -69,7 +69,7 @@ export class Files extends BaseService {
     return this.db.filesTbl
       .insert(record)
       .execWithin(this.tx)
-      .thenReturn(record);
+      .thenReturn(record) as any; // TODO: Remove cast as any
   }
 
   /**