diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3f87492c..78e0927d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,13 @@
 # Changelog
 
+## [1.1.4] - 2020-08-06
+
+### Updated
+
+- Db.createCollection to the new mongodb driver behavior
+- blocks checker service, delay before start.
+- config: disable services in config
+
 ## [1.1.3] - 2020-08-04
 
 This release requires the regeneration of the DB follow the instructions in [UPDATES.md](UPDATES.md) before starting.
diff --git a/dist/dbPatches/tokenAccountBalances.js b/dist/dbPatches/tokenAccountBalances.js
index 4406ec07..dedfcf6e 100644
--- a/dist/dbPatches/tokenAccountBalances.js
+++ b/dist/dbPatches/tokenAccountBalances.js
@@ -2,7 +2,7 @@
 var _dataSource = _interopRequireDefault(require("../lib/dataSource.js"));
 var _nod3Connect = _interopRequireDefault(require("../lib/nod3Connect"));
 var _rskContractParser = _interopRequireDefault(require("rsk-contract-parser"));
-var _rskUtils = require("rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
+var _rskUtils = require("@rsksmart/rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
 
 const parser = new _rskContractParser.default({ nod3: _nod3Connect.default });
 
diff --git a/dist/lib/Db.js b/dist/lib/Db.js
index 04e34b0d..8fec06d3 100644
--- a/dist/lib/Db.js
+++ b/dist/lib/Db.js
@@ -54,7 +54,10 @@ class Db {
     try {
       const db = await this.db();
       if (!collectionName) throw new Error('Invalid collection name');
-      let collection = await db.createCollection(collectionName, options);
+      let list = await db.listCollections({}, { nameOnly: true }).toArray();
+      let exists = list.find(c => c.name === collectionName);
+      if (!exists) await db.createCollection(collectionName, options);
+      let collection = db.collection(collectionName);
       if (dropIndexes) {
         this.log.info(`Removing indexes from ${collectionName}`);
         await collection.dropIndexes();
@@ -63,16 +66,18 @@ class Db {
         this.log.info(`Creating indexes to ${collectionName}`);
         await collection.createIndexes(indexes);
       }
-      if (validate) {
-        this.log.info(`Validating collection: ${collectionName}`);
-        await db.admin().validateCollection(collectionName);
-      }
+      if (validate) await this.validateCollection(db, collectionName);
       return collection;
     } catch (err) {
       return Promise.reject(err);
     }
   }
 
+  validateCollection(db, collectionName) {
+    this.log.info(`Validating collection: ${collectionName}`);
+    return db.admin().validateCollection(collectionName);
+  }
+
   createCollections(collections, creationOptions = {}) {
     let queue = [];
     let names = creationOptions.names || {};
diff --git a/dist/lib/config.js b/dist/lib/config.js
index 8fe2d480..a64a1938 100644
--- a/dist/lib/config.js
+++ b/dist/lib/config.js
@@ -32,6 +32,13 @@ function makeConfig(config = {}) {
     config.api.modules[module] = config.api.modules[module] !== false;
   }
 
+  // defaults services
+  const services = config.blocks.services || {};
+  for (let s in _defaultConfig.default.blocks.services) {
+    services[s] = config.blocks.services[s] !== false;
+  }
+  services.ROUTER = true;
+  config.blocks.services = services;
   // defaults  servers/ports
   config.source = nodeSources(config.source);
   config.blocks.source = config.source;
diff --git a/dist/lib/defaultConfig.js b/dist/lib/defaultConfig.js
index f7e12773..4ff1497e 100644
--- a/dist/lib/defaultConfig.js
+++ b/dist/lib/defaultConfig.js
@@ -3,10 +3,16 @@
 
 
 var _types = require("./types");
-var _delayedFields = _interopRequireDefault(require("./delayedFields"));function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} /**
-                                                                                                                                                                       *  This file provides default values,
-                                                                                                                                                                       *  use /config.json, to overwrite settings
-                                                                                                                                                                       */const setAllModules = (status) => Object.keys(_types.MODULES).
+var _delayedFields = _interopRequireDefault(require("./delayedFields"));
+var _servicesConfig = require("../services/servicesConfig");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };} /**
+                                                                                                                                                           *  This file provides default values,
+                                                                                                                                                           *  use /config.json, to overwrite settings
+                                                                                                                                                           */const services = Object.assign({}, _servicesConfig.servicesNames);for (let s in services) {
+  services[s] = true;
+}
+
+const setAllModules = (status) =>
+Object.keys(_types.MODULES).
 reduce((a, v, i) => {
   a[v] = status;
   return a;
@@ -56,7 +62,8 @@ reduce((a, v, i) => {
     debug: false,
     updateTokenBalances: true, // Update token accounts balances on next block
     ports: [3010], // list of services ports, if the list runs out, the services will try to take the next  ports starting from the last
-    address: '127.0.0.1' },
+    address: '127.0.0.1',
+    services },
 
   collectionsNames: {
     Config: 'config',
diff --git a/dist/lib/utils.js b/dist/lib/utils.js
index 51cc7714..d2083cd5 100644
--- a/dist/lib/utils.js
+++ b/dist/lib/utils.js
@@ -1,7 +1,7 @@
 "use strict";Object.defineProperty(exports, "__esModule", { value: true });var _exportNames = { bigNumberDoc: true, isBigNumber: true, serializeBigNumber: true, isSerializedBigNumber: true, unSerializeBigNumber: true, bigNumberToSring: true, bigNumberSum: true, bigNumberDifference: true, newBigNumber: true, isObj: true, serialize: true, checkBlockHash: true, isBlockHash: true, blockQuery: true, getBestBlock: true, applyDecimals: true, isValidBlockNumber: true, isBlockObject: true, toAscii: true, quantityMarks: true, chunkArray: true, hash: true };exports.hash = exports.chunkArray = exports.quantityMarks = exports.toAscii = exports.isBlockObject = exports.isValidBlockNumber = exports.applyDecimals = exports.getBestBlock = exports.blockQuery = exports.isBlockHash = exports.checkBlockHash = exports.serialize = exports.isObj = exports.newBigNumber = exports.bigNumberDifference = exports.bigNumberSum = exports.bigNumberToSring = exports.unSerializeBigNumber = exports.isSerializedBigNumber = exports.serializeBigNumber = exports.isBigNumber = exports.bigNumberDoc = void 0;var _bignumber = require("bignumber.js");
 var _types = require("./types");
 var _mongodb = require("mongodb");
-var _rskUtils = require("rsk-utils");
+var _rskUtils = require("@rsksmart/rsk-utils");
 
 Object.keys(_rskUtils).forEach(function (key) {if (key === "default" || key === "__esModule") return;if (Object.prototype.hasOwnProperty.call(_exportNames, key)) return;Object.defineProperty(exports, key, { enumerable: true, get: function () {return _rskUtils[key];} });});var _crypto = _interopRequireDefault(require("crypto"));function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
 
diff --git a/dist/services/blocks.config.js b/dist/services/blocks.config.js
index 64f56c91..97dc11d5 100644
--- a/dist/services/blocks.config.js
+++ b/dist/services/blocks.config.js
@@ -1,8 +1,11 @@
 "use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.apps = exports.paths = void 0;
 var _config = _interopRequireDefault(require("../lib/config"));
 var _servicesConfig = require("./servicesConfig");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
+const { services } = _config.default.blocks;
 
-const scripts = Object.values(_servicesConfig.servicesNames);
+const scripts = Object.entries(_servicesConfig.servicesNames).
+filter(([service]) => services[service]).
+map(([service, name]) => name);
 
 const scriptName = name => `${name}.js`;
 
diff --git a/dist/services/blocks/blocksChecker.js b/dist/services/blocks/blocksChecker.js
index 6491e7d2..53090c18 100644
--- a/dist/services/blocks/blocksChecker.js
+++ b/dist/services/blocks/blocksChecker.js
@@ -22,7 +22,7 @@ async function main() {
     const { startService, service } = await (0, _serviceFactory.createService)(serviceConfig, executor, { log });
     const { emit } = service;
     await startService();
-    checker.start(emit);
+    setTimeout(() => checker.start(emit), 5000);
   } catch (err) {
     console.error(err);
     process.exit(9);
diff --git a/dist/services/classes/Address.js b/dist/services/classes/Address.js
index d03c7d2e..54acfe6c 100644
--- a/dist/services/classes/Address.js
+++ b/dist/services/classes/Address.js
@@ -5,7 +5,7 @@ var _Contract = _interopRequireDefault(require("./Contract"));
 var _rskContractParser = require("rsk-contract-parser");
 var _Tx = require("./Tx");
 var _InternalTx = require("./InternalTx");
-var _rskUtils = require("rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
+var _rskUtils = require("@rsksmart/rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
 
 class Address extends _BcThing.BcThing {
   constructor(address, { nod3, initConfig, collections, tx, block, log } = {}) {
diff --git a/dist/services/classes/TokenAddress.js b/dist/services/classes/TokenAddress.js
index d5e47877..99a2bea0 100644
--- a/dist/services/classes/TokenAddress.js
+++ b/dist/services/classes/TokenAddress.js
@@ -1,7 +1,7 @@
 "use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.default = exports.TokenAddress = void 0;var _BcThing = require("./BcThing");
 var _Contract = _interopRequireDefault(require("./Contract"));
 var _utils = require("../../lib/utils");
-var _rskUtils = require("rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
+var _rskUtils = require("@rsksmart/rsk-utils");function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
 
 class TokenAddress extends _BcThing.BcThing {
   constructor(address, contract) {
diff --git a/dist/services/classes/UpdateTokenAccountBalances.js b/dist/services/classes/UpdateTokenAccountBalances.js
index 3d09bfd4..477c0493 100644
--- a/dist/services/classes/UpdateTokenAccountBalances.js
+++ b/dist/services/classes/UpdateTokenAccountBalances.js
@@ -1,5 +1,5 @@
 "use strict";Object.defineProperty(exports, "__esModule", { value: true });exports.updateTokenAccountBalances = updateTokenAccountBalances;
-var _rskUtils = require("rsk-utils");
+var _rskUtils = require("@rsksmart/rsk-utils");
 var _rskContractParser = _interopRequireDefault(require("rsk-contract-parser"));function _interopRequireDefault(obj) {return obj && obj.__esModule ? obj : { default: obj };}
 
 async function updateTokenAccountBalances(block, { nod3, collections, log }) {
diff --git a/package-lock.json b/package-lock.json
index a646e488..bf4d4cae 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "rsk-explorer-api",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 53b18284..c57369d0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "rsk-explorer-api",
-  "version": "1.1.3",
+  "version": "1.1.4",
   "description": "",
   "main": "index.js",
   "scripts": {
diff --git a/public/swagger.json b/public/swagger.json
index cf51a8e2..575bd8ed 100644
--- a/public/swagger.json
+++ b/public/swagger.json
@@ -1,7 +1,7 @@
 {
   "info": {
     "title": "rsk-explorer-api",
-    "version": "1.1.3",
+    "version": "1.1.4",
     "description": "explorer API Documentation"
   },
   "swagger": "2.0",