diff --git a/packages/google-cloud-speech/samples/microphone/requirements-test.txt b/packages/google-cloud-speech/samples/microphone/requirements-test.txt
index 41c4d5110536..1a71e3e3296a 100644
--- a/packages/google-cloud-speech/samples/microphone/requirements-test.txt
+++ b/packages/google-cloud-speech/samples/microphone/requirements-test.txt
@@ -1,2 +1,2 @@
-pytest==5.3.2
+pytest==5.4.3
 mock==3.0.5