diff --git a/packages/google-cloud-texttospeech/samples/snippets/requirements-test.txt b/packages/google-cloud-texttospeech/samples/snippets/requirements-test.txt
new file mode 100644
index 000000000000..781d4326c947
--- /dev/null
+++ b/packages/google-cloud-texttospeech/samples/snippets/requirements-test.txt
@@ -0,0 +1 @@
+pytest==5.3.2