diff --git a/CHANGELOG.md b/CHANGELOG.md
index 61e3775..2292a0f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,6 +5,10 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [4.0.3] - 2025-06-06
+
+- Fixed microphone transcription tests not working after adding multichan dz support
+
 ## [4.0.2] - 2025-06-04
 
 ### Fixed
diff --git a/VERSION b/VERSION
index 4bac418..aa31e71 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-4.0.2
\ No newline at end of file
+4.0.3
\ No newline at end of file
diff --git a/examples/transcribe_from_microphone.py b/examples/transcribe_from_microphone.py
index 471bff2..1f22a48 100644
--- a/examples/transcribe_from_microphone.py
+++ b/examples/transcribe_from_microphone.py
@@ -33,7 +33,11 @@ async def transcribe_from_device(device, speechmatics_client, language: str, max
             enable_partials=True,
             enable_entities=True,
         )
-        await speechmatics_client.run(RawInputStreamWrapper(stream), conf, settings)
+        await speechmatics_client.run(
+            transcription_config=conf,
+            stream=RawInputStreamWrapper(stream),
+            audio_settings=settings,
+        )
 
 
 def main(args):