diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 59730670..4fd188de 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1 +1 @@
-google-cloud-texttospeech==0.2.0
+google-cloud-texttospeech==0.1.0