diff --git a/README.md b/README.md
index aec47b8..1a901da 100644
--- a/README.md
+++ b/README.md
@@ -13,6 +13,8 @@
 
 [![NPM](https://nodei.co/npm/koa-redis.svg?downloads=true)](https://nodei.co/npm/koa-redis/)
 
+**v4.0.0+ now uses `ioredis` and has support for Sentinel and Cluster!**
+
 
 ## Table of Contents
 
@@ -30,8 +32,8 @@
   * [session.destroy(sid)](#sessiondestroysid)
   * [session.quit()](#sessionquit)
   * [session.end()](#sessionend)
+  * [session.status](#sessionstatus)
   * [session.connected](#sessionconnected)
-  * [session.\_redisClient](#session_redisclient)
   * [session.client](#sessionclient)
 * [Benchmark](#benchmark)
 * [Testing](#testing)
@@ -179,7 +181,7 @@ app.use(session({
 * _all [`ioredis`](https://github.com/luin/ioredis/blob/master/API.md#new-redisport-host-options) options_ - Useful things include `url`, `host`, `port`, and `path` to the server. Defaults to `127.0.0.1:6379`
 * `db` (number) - will run `client.select(db)` after connection
 * `client` (object) - supply your own client, all other options are ignored unless `duplicate` is also supplied
-* `duplicate` (boolean) - When true, it will run `client.duplicate(options)` on the supplied `client` and use all other options supplied. This is useful if you want to select a different DB for sessions but also want to base from the same client object.
+* `duplicate` (boolean) - When true, it will run `client.duplicate()` on the supplied `client` and use all other options supplied. This is useful if you want to select a different DB for sessions but also want to base from the same client object.
 * `serialize` - Used to serialize the data that is saved into the store.
 * `unserialize` - Used to unserialize the data that is fetched from the store.
 * `isRedisCluster` (boolean) - Used for creating a Redis cluster instance per [`ioredis`][cluster] Cluster options, if set to `true`, then a new Redis cluster will be instantiated with `new Redis.Cluster(options.nodes, options.clusterOptions)` (see [Cluster docs][cluster] for more info).
@@ -192,12 +194,7 @@ app.use(session({
 
 See the [`ioredis` docs](https://github.com/luin/ioredis#connection-events) for more info.
 
-* `ready`
-* `connect`
-* `reconnecting`
-* `error`
-* `end`
-* `warning`
+**Note that as of v4.0.0 the `disconnect` and `warning` events are removed as `ioredis` does not support them.   The `disconnect` event is deprecated, although it is still emitted when `end` events are emitted.**
 
 
 ## API
@@ -241,17 +238,17 @@ Generator that stops a Redis session after everything in the queue has completed
 
 Alias to `session.quit()`. It is not safe to use the real end function, as it cuts off the queue.
 
-### session.connected
+### session.status
 
-Boolean giving the connection status updated using `client.connected` after any of the events above is fired.
+String giving the connection status updated using `client.status`.
 
-### session.\_redisClient
+### session.connected
 
-Direct access to the `ioredis` client object.
+Boolean giving the connection status updated using `client.status` after any of the events above is fired.
 
 ### session.client
 
-Direct access to the `co-redis` wrapper around the `ioredis` client.
+Direct access to the `ioredis` client object.
 
 
 ## Benchmark
diff --git a/package.json b/package.json
index 003566b..9a678f5 100644
--- a/package.json
+++ b/package.json
@@ -17,11 +17,9 @@
   ],
   "dependencies": {
     "@babel/runtime": "^7.4.3",
-    "co-redis": "^2.1.1",
     "co-wrap-all": "^1.0.0",
     "debug": "^4.1.1",
-    "ioredis": "^4.9.0",
-    "redis": "^2.8.0"
+    "ioredis": "^4.9.0"
   },
   "devDependencies": {
     "@babel/cli": "^7.4.3",
diff --git a/src/index.js b/src/index.js
index eb3fc9d..6bafc7f 100644
--- a/src/index.js
+++ b/src/index.js
@@ -15,7 +15,6 @@ const util = require('util');
 const { EventEmitter } = require('events');
 const debug = require('debug')('koa-redis');
 const Redis = require('ioredis');
-const redisWrapper = require('co-redis');
 const wrap = require('co-wrap-all');
 
 /**
@@ -44,14 +43,19 @@ function RedisStore(options) {
     options.password || options.auth_pass || options.pass || null; // For backwards compatibility
   options.path = options.path || options.socket || null; // For backwards compatibility
   if (!options.client) {
-    debug('Init redis new client');
     //
     // TODO: we should probably omit custom options we have
     // in this lib from `options` passed to instances below
     //
     if (options.isRedisCluster) {
+      debug('Initializing Redis Cluster');
+      delete options.isRedisCluster;
       client = new Redis.Cluster(options.nodes, options.clusterOptions);
     } else {
+      debug('Initializing Redis');
+      delete options.isRedisCluster;
+      delete options.nodes;
+      delete options.clusterOptions;
       client = new Redis(options);
     }
   } else if (options.duplicate) {
@@ -76,47 +80,29 @@ function RedisStore(options) {
     });
   }
 
-  client.on('error', this.emit.bind(this, 'error'));
-  client.on('end', this.emit.bind(this, 'end'));
-  client.on('end', this.emit.bind(this, 'disconnect')); // For backwards compatibility
-  client.on('connect', this.emit.bind(this, 'connect'));
-  client.on('reconnecting', this.emit.bind(this, 'reconnecting'));
-  client.on('ready', this.emit.bind(this, 'ready'));
-  client.on('warning', this.emit.bind(this, 'warning'));
-  this.on('connect', function() {
-    debug('connected to redis');
-    this.connected = client.connected;
-  });
-  this.on('ready', () => {
-    debug('redis ready');
-  });
-  this.on('end', function() {
-    debug('redis ended');
-    this.connected = client.connected;
-  });
-  // No good way to test error
-  /* istanbul ignore next */
-  this.on('error', function() {
-    debug('redis error');
-    this.connected = client.connected;
-  });
-  // No good way to test reconnect
-  /* istanbul ignore next */
-  this.on('reconnecting', function() {
-    debug('redis reconnecting');
-    this.connected = client.connected;
-  });
-  // No good way to test warning
-  /* istanbul ignore next */
-  this.on('warning', function() {
-    debug('redis warning');
-    this.connected = client.connected;
+  ['connect', 'ready', 'error', 'close', 'reconnecting', 'end'].forEach(
+    name => {
+      this.on(name, () => debug(`redis ${name}`));
+      client.on(name, this.emit.bind(this, name));
+    }
+  );
+
+  // For backwards compatibility
+  client.on('end', this.emit.bind(this, 'disconnect'));
+
+  this.client = client;
+
+  Object.defineProperty(this, 'status', {
+    get() {
+      return this.client.status;
+    }
   });
 
-  // Wrap redis
-  this._redisClient = client;
-  this.client = redisWrapper(client);
-  this.connected = client.connected;
+  Object.defineProperty(this, 'connected', {
+    get() {
+      return ['connect', 'ready'].includes(this.status);
+    }
+  });
 
   // Support optional serialize and unserialize
   this.serialize =
diff --git a/test/koa-redis.test.js b/test/koa-redis.test.js
index 1d93b29..586b9c7 100644
--- a/test/koa-redis.test.js
+++ b/test/koa-redis.test.js
@@ -12,8 +12,7 @@
  */
 
 const should = require('should');
-const redis = require('redis');
-const redisWrapper = require('co-redis');
+const Redis = require('ioredis');
 
 function event(object, name) {
   // Convert events to promises
@@ -24,7 +23,7 @@ function event(object, name) {
 
 describe('test/koa-redis.test.js', () => {
   it('should connect and ready with external client and quit ok', function*() {
-    const store = require('..')({ client: redis.createClient() });
+    const store = require('..')({ client: new Redis() });
     yield event(store, 'connect');
     store.connected.should.eql(true);
     yield event(store, 'ready');
@@ -35,7 +34,7 @@ describe('test/koa-redis.test.js', () => {
 
   it('should connect and ready with duplicated external client and disconnect ok', function*() {
     const store = require('..')({
-      client: redis.createClient(),
+      client: new Redis(),
       duplicate: true
     });
     yield event(store, 'connect');
@@ -48,9 +47,8 @@ describe('test/koa-redis.test.js', () => {
 
   it('should set and delete with db ok', function*() {
     const store = require('..')({ db: 2 });
-    let client = redis.createClient();
+    const client = new Redis();
     client.select(2);
-    client = redisWrapper(client);
     yield store.set('key:db1', { a: 2 });
     (yield store.get('key:db1')).should.eql({ a: 2 });
     JSON.parse(yield client.get('key:db1')).should.eql({ a: 2 });
diff --git a/yarn.lock b/yarn.lock
index 5bea339..ffcf6bf 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2252,13 +2252,6 @@ co-mocha@^1.2.2:
     co "^4.0.0"
     is-generator "^1.0.1"
 
-co-redis@^2.1.1:
-  version "2.1.1"
-  resolved "https://registry.yarnpkg.com/co-redis/-/co-redis-2.1.1.tgz#8bc3717977c9ee5bfb6b28f39ae01bcf724d2dde"
-  integrity sha1-i8NxeXfJ7lv7ayjzmuAbz3JNLd4=
-  dependencies:
-    es6-promisify "^4.1.0"
-
 co-wrap-all@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/co-wrap-all/-/co-wrap-all-1.0.0.tgz#370ae3e8333510a53f6b2f7fdfbe4568a11b7ecf"
@@ -2899,23 +2892,11 @@ es-to-primitive@^1.2.0:
     is-date-object "^1.0.1"
     is-symbol "^1.0.2"
 
-es6-promise@^3.2.1:
-  version "3.3.1"
-  resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-3.3.1.tgz#a08cdde84ccdbf34d027a1451bc91d4bcd28a613"
-  integrity sha1-oIzd6EzNvzTQJ6FFG8kdS80ophM=
-
 es6-promise@^4.0.3:
   version "4.2.6"
   resolved "https://registry.yarnpkg.com/es6-promise/-/es6-promise-4.2.6.tgz#b685edd8258886365ea62b57d30de28fadcd974f"
   integrity sha512-aRVgGdnmW2OiySVPUC9e6m+plolMAJKjZnQlCwNSuK5yQ0JN61DZSO1X1Ufd1foqWRAlig0rhduTCHe7sVtK5Q==
 
-es6-promisify@^4.1.0:
-  version "4.1.0"
-  resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-4.1.0.tgz#dbcc1a3e93fdb8e9e709744182b7d2080c03fdb3"
-  integrity sha1-28waPpP9uOnnCXRBgrfSCAwD/bM=
-  dependencies:
-    es6-promise "^3.2.1"
-
 es6-promisify@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/es6-promisify/-/es6-promisify-5.0.0.tgz#5109d62f3e56ea967c4b63505aef08291c8a5203"