diff --git a/types/ioredis/index.d.ts b/types/ioredis/index.d.ts
index acd380e7db..ca1d71a0aa 100644
--- a/types/ioredis/index.d.ts
+++ b/types/ioredis/index.d.ts
@@ -10,6 +10,7 @@
 //                 Dmitry Motovilov <https://github.com/funthing>
 //                 Oleg Repin <https://github.com/iamolegga>
 //                 Ting-Wai To <https://github.com/tingwai-to>
+//                 Alex Petty <https://github.com/pettyalex>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -971,8 +972,13 @@ declare namespace IORedis {
         count?: number;
     }
 
+    type DNSLookupFunction = (hostname: string, callback: (err: NodeJS.ErrnoException, address: string, family: number) => void) => void;
+    interface NatMap {
+        [key: string]: {host: string, port: number};
+    }
+
     interface ClusterOptions {
-        clusterRetryStrategy?(times: number): number;
+        clusterRetryStrategy?(times: number, reason?: Error): number | null;
         enableOfflineQueue?: boolean;
         enableReadyCheck?: boolean;
         scaleReads?: string;
@@ -980,7 +986,12 @@ declare namespace IORedis {
         retryDelayOnFailover?: number;
         retryDelayOnClusterDown?: number;
         retryDelayOnTryAgain?: number;
+        slotsRefreshTimeout?: number;
+        slotsRefreshInterval?: number;
         redisOptions?: RedisOptions;
+        lazyConnect?: boolean;
+        dnsLookup?: DNSLookupFunction;
+        natMap?: NatMap;
     }
 
     interface MultiOptions {
diff --git a/types/ioredis/ioredis-tests.ts b/types/ioredis/ioredis-tests.ts
index df8e37aca8..14620b7476 100644
--- a/types/ioredis/ioredis-tests.ts
+++ b/types/ioredis/ioredis-tests.ts
@@ -192,3 +192,12 @@ redis.xread('STREAMS', 'streamName', '0-0');
 redis.xreadgroup('GROUP', 'groupName', 'consumerName', 'STREAMS', 'streamName', '>');
 redis.xrevrange('streamName', '+', '-', 'COUNT', 1);
 redis.xtrim('streamName', 'MAXLEN', '~', 1000);
+
+// ClusterRetryStrategy can return non-numbers to stop retrying
+new Redis.Cluster([], {
+    clusterRetryStrategy: (times: number, reason?: Error) => null
+});
+
+new Redis.Cluster([], {
+    clusterRetryStrategy: (times: number, reason?: Error) => 1
+});
diff --git a/types/ioredis/v3/index.d.ts b/types/ioredis/v3/index.d.ts
index ee2777c92c..03667cd071 100644
--- a/types/ioredis/v3/index.d.ts
+++ b/types/ioredis/v3/index.d.ts
@@ -7,6 +7,7 @@
 //                 Shahar Mor <https://github.com/shaharmor>
 //                 Whemoon Jang <https://github.com/palindrom615>
 //                 Francis Gulotta <https://github.com/reconbot>
+//                 Alex Petty <https://github.com/pettyalex>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.8
 
@@ -894,7 +895,7 @@ declare namespace IORedis {
     }
 
     interface ClusterOptions {
-        clusterRetryStrategy?(times: number): number;
+        clusterRetryStrategy?(times: number): number | null;
         enableOfflineQueue?: boolean;
         enableReadyCheck?: boolean;
         scaleReads?: string;
diff --git a/types/ioredis/v3/ioredis-tests.ts b/types/ioredis/v3/ioredis-tests.ts
index b77192e3b8..38cef49b73 100644
--- a/types/ioredis/v3/ioredis-tests.ts
+++ b/types/ioredis/v3/ioredis-tests.ts
@@ -153,3 +153,12 @@ new Redis.Cluster([{
     host: 'localhost',
     port: 6379
 }]);
+
+// ClusterRetryStrategy can return non-numbers to stop retrying
+new Redis.Cluster([], {
+    clusterRetryStrategy: (times: number) => null
+});
+
+new Redis.Cluster([], {
+    clusterRetryStrategy: (times: number) => 1
+});