diff --git a/package.json b/package.json
index cb8252c..3f3e544 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "revai-node-sdk",
-  "version": "3.8.5",
+  "version": "3.8.6",
   "description": "Rev AI makes speech applications easy to build!",
   "main": "src/index.js",
   "scripts": {
diff --git a/src/models/RevAiApiJob.ts b/src/models/RevAiApiJob.ts
index 06e7f8e..d33594e 100644
--- a/src/models/RevAiApiJob.ts
+++ b/src/models/RevAiApiJob.ts
@@ -25,6 +25,7 @@ export interface RevAiApiJob {
     filter_profanity?: boolean;
     custom_vocabulary_id?: string;
     speaker_channels_count?: number;
+    speakers_count?: number;
     language?: string;
     transcriber?: string;
     verbatim?: boolean;
diff --git a/src/models/async/RevAiJobOptions.ts b/src/models/async/RevAiJobOptions.ts
index cb1015c..b2d07e1 100644
--- a/src/models/async/RevAiJobOptions.ts
+++ b/src/models/async/RevAiJobOptions.ts
@@ -27,6 +27,7 @@ export interface RevAiJobOptions {
     skip_postprocessing?: boolean;
     diarization_type?: string;
     speaker_channels_count?: number;
+    speakers_count?: number;
     custom_vocabulary_id?: string;
     custom_vocabularies?: CustomVocabulary[];
     filter_profanity?: boolean;
diff --git a/test/unit/api-client/api-client.submit.spec.ts b/test/unit/api-client/api-client.submit.spec.ts
index 7fb4bf2..8736a5e 100644
--- a/test/unit/api-client/api-client.submit.spec.ts
+++ b/test/unit/api-client/api-client.submit.spec.ts
@@ -27,7 +27,8 @@ describe('api-client job submission', () => {
     const jobDetails = {
         id: jobId,
         status: 'in_progress',
-        created_on: '2018-05-05T23:23:22.29Z'
+        created_on: '2018-05-05T23:23:22.29Z',
+        speakers_count: 123
     };
     const filename = 'path/to/test.mp3';
 
@@ -88,6 +89,7 @@ describe('api-client job submission', () => {
                 skip_punctuation: true,
                 skip_diarization: true,
                 speaker_channels_count: 1,
+                speakers_count: 123,
                 filter_profanity: true,
                 media_url: mediaUrl,
                 remove_disfluencies: true,
@@ -173,6 +175,7 @@ describe('api-client job submission', () => {
                 skip_punctuation: true,
                 skip_diarization: true,
                 speaker_channels_count: 1,
+                speakers_count: 123,
                 filter_profanity: true,
                 remove_disfluencies: true,
                 delete_after_seconds: 0,