diff --git a/packages/google-cloud-texttospeech/samples/snippets/requirements.txt b/packages/google-cloud-texttospeech/samples/snippets/requirements.txt
index b654c18c149b..953235c8956d 100644
--- a/packages/google-cloud-texttospeech/samples/snippets/requirements.txt
+++ b/packages/google-cloud-texttospeech/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
 future==0.18.2
-google-cloud-texttospeech==2.12.1
+google-cloud-texttospeech==2.12.2