diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 2567653c..ae6c57fa 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:87eee22d276554e4e52863ec9b1cb6a7245815dfae20439712bf644348215a5a
+  digest: sha256:82b12321da4446a73cb11bcb6812fbec8c105abda3946d46e6394e5fbfb64c0f
diff --git a/CHANGELOG.md b/CHANGELOG.md
index e7c74148..86760a37 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,13 @@
 
 [1]: https://pypi.org/project/google-cloud-speech/#history
 
+### [2.9.3](https://www.github.com/googleapis/python-speech/compare/v2.9.2...v2.9.3) (2021-10-04)
+
+
+### Documentation
+
+* **samples:** Remove reference to deprecated message "diarization_speaker_count" in favor of diarization_config ([#264](https://www.github.com/googleapis/python-speech/issues/264)) ([c1f7f35](https://www.github.com/googleapis/python-speech/commit/c1f7f357fe8367dafcdcb3d42e04a2619de2de62))
+
 ### [2.9.2](https://www.github.com/googleapis/python-speech/compare/v2.9.1...v2.9.2) (2021-09-30)
 
 
diff --git a/samples/microphone/noxfile.py b/samples/microphone/noxfile.py
index b008613f..1fd8956f 100644
--- a/samples/microphone/noxfile.py
+++ b/samples/microphone/noxfile.py
@@ -98,6 +98,10 @@ def get_pytest_env_vars() -> Dict[str, str]:
     "True",
     "true",
 )
+
+# Error if a python version is missing
+nox.options.error_on_missing_interpreters = True
+
 #
 # Style Checks
 #
diff --git a/samples/snippets/beta_snippets.py b/samples/snippets/beta_snippets.py
index 9e81f514..51702e2b 100644
--- a/samples/snippets/beta_snippets.py
+++ b/samples/snippets/beta_snippets.py
@@ -158,12 +158,17 @@ def transcribe_file_with_diarization():
 
     audio = speech.RecognitionAudio(content=content)
 
+    diarization_config = speech.SpeakerDiarizationConfig(
+      enable_speaker_diarization=True,
+      min_speaker_count=2,
+      max_speaker_count=10,
+    )
+
     config = speech.RecognitionConfig(
         encoding=speech.RecognitionConfig.AudioEncoding.LINEAR16,
         sample_rate_hertz=8000,
         language_code="en-US",
-        enable_speaker_diarization=True,
-        diarization_speaker_count=2,
+        diarization_config=diarization_config,
     )
 
     print("Waiting for operation to complete...")
diff --git a/samples/snippets/noxfile.py b/samples/snippets/noxfile.py
index b008613f..1fd8956f 100644
--- a/samples/snippets/noxfile.py
+++ b/samples/snippets/noxfile.py
@@ -98,6 +98,10 @@ def get_pytest_env_vars() -> Dict[str, str]:
     "True",
     "true",
 )
+
+# Error if a python version is missing
+nox.options.error_on_missing_interpreters = True
+
 #
 # Style Checks
 #
diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 5fe39050..32c1fa57 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
 google-cloud-speech==2.9.1
-google-cloud-storage==1.42.2
+google-cloud-storage==1.42.3
diff --git a/setup.py b/setup.py
index 1f92c9fc..57aaf129 100644
--- a/setup.py
+++ b/setup.py
@@ -22,7 +22,7 @@
 
 name = "google-cloud-speech"
 description = "Google Cloud Speech API client library"
-version = "2.9.2"
+version = "2.9.3"
 # Should be one of:
 # 'Development Status :: 3 - Alpha'
 # 'Development Status :: 4 - Beta'