diff --git a/jigsawstack/audio.py b/jigsawstack/audio.py
index a688f63..e1bd74f 100644
--- a/jigsawstack/audio.py
+++ b/jigsawstack/audio.py
@@ -50,15 +50,10 @@ class SpeechToTextParams(TypedDict):
     """
 
 
-class ChunkParams(TypedDict):
+class ChunkResponse(TypedDict):
     text: str
     timestamp: tuple[int, int]
-
-
-class BySpeakerParams(ChunkParams):
-    speaker: str
-    timestamp: tuple[int, int]
-    text: str
+    speaker: Optional[str]
 
 
 class SpeechToTextResponse(BaseResponse):
@@ -67,16 +62,11 @@ class SpeechToTextResponse(BaseResponse):
     the text of the transcription
     """
 
-    chunks: List[ChunkParams]
+    chunks: List[ChunkResponse]
     """
     the chunks of the transcription
     """
 
-    speakers: Optional[List[BySpeakerParams]]
-    """
-    the speakers of the transcription, available if by_speaker is set to true
-    """
-
     language_detected: Optional[Dict[str, Any]]
     """
     the language detected in the transcription, available if language is set to auto
diff --git a/jigsawstack/version.py b/jigsawstack/version.py
index 28babde..c3936a8 100644
--- a/jigsawstack/version.py
+++ b/jigsawstack/version.py
@@ -1,4 +1,4 @@
-__version__ = "0.4.2"
+__version__ = "0.4.3"
 
 
 def get_version() -> str:
diff --git a/setup.py b/setup.py
index 91e34b0..03586ca 100644
--- a/setup.py
+++ b/setup.py
@@ -6,7 +6,7 @@
 
 setup(
     name="jigsawstack",
-    version="0.4.2",
+    version="0.4.3",
     description="JigsawStack - The AI SDK for Python",
     long_description=open("README.md", encoding="utf8").read(),
     long_description_content_type="text/markdown",