diff --git a/types/redis-rate-limiter/index.d.ts b/types/redis-rate-limiter/index.d.ts
index 6e36f60f3e..ec277ae82a 100644
--- a/types/redis-rate-limiter/index.d.ts
+++ b/types/redis-rate-limiter/index.d.ts
@@ -1,6 +1,7 @@
-// Type definitions for redis-rate-limiter 1.0.3
+// Type definitions for redis-rate-limiter 1.2
 // Project: https://github.com/TabDigital/redis-rate-limiter
 // Definitions by: Seth Westphal <https://github.com/westy92>
+//                 Hasan Oezdemir <https://github.com/nodify-at>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -20,6 +21,8 @@ declare namespace RedisRateLimiter {
         window?: number;
         limit?: number;
         rate?: string;
+        deleteImmediatelyIfRaceCondition?: boolean;
+        onPossibleRaceCondition?: (key: string) => void;
     }
 
     export interface Response {
@@ -31,4 +34,4 @@ declare namespace RedisRateLimiter {
     }
 }
 
-export = RedisRateLimiter;
\ No newline at end of file
+export = RedisRateLimiter;
diff --git a/types/redis-rate-limiter/redis-rate-limiter-tests.ts b/types/redis-rate-limiter/redis-rate-limiter-tests.ts
index a121d28477..98cb34a4e0 100644
--- a/types/redis-rate-limiter/redis-rate-limiter-tests.ts
+++ b/types/redis-rate-limiter/redis-rate-limiter-tests.ts
@@ -30,7 +30,9 @@ limit(request, function(err, rate) {
 var middleware = rateLimiter.middleware({
   redis: redisClient,
   key: 'ip',
-  rate: '100/minute'
+  rate: '100/minute',
+  deleteImmediatelyIfRaceCondition: true,
+  onPossibleRaceCondition: key => console.log(`A race condition has been detected for <${key}>!`)
 });
 
 var app = express();
diff --git a/types/redis-rate-limiter/tslint.json b/types/redis-rate-limiter/tslint.json
index a41bf5d19a..a0357daa61 100644
--- a/types/redis-rate-limiter/tslint.json
+++ b/types/redis-rate-limiter/tslint.json
@@ -7,7 +7,6 @@
         "ban-types": false,
         "callable-types": false,
         "comment-format": false,
-        "dt-header": false,
         "eofline": false,
         "export-just-namespace": false,
         "import-spacing": false,