diff --git a/packages/google-cloud-python-speech/samples/microphone/requirements.txt b/packages/google-cloud-python-speech/samples/microphone/requirements.txt
index b6e4390197e3..772c8ba7b431 100644
--- a/packages/google-cloud-python-speech/samples/microphone/requirements.txt
+++ b/packages/google-cloud-python-speech/samples/microphone/requirements.txt
@@ -1,4 +1,4 @@
-google-cloud-speech==2.3.0
+google-cloud-speech==2.4.0
 pyaudio==0.2.11
 six==1.16.0
 
diff --git a/packages/google-cloud-python-speech/samples/snippets/requirements.txt b/packages/google-cloud-python-speech/samples/snippets/requirements.txt
index 8160400aaf90..c9627288f9f0 100644
--- a/packages/google-cloud-python-speech/samples/snippets/requirements.txt
+++ b/packages/google-cloud-python-speech/samples/snippets/requirements.txt
@@ -1 +1 @@
-google-cloud-speech==2.3.0
+google-cloud-speech==2.4.0