diff --git a/samples/snippets/requirements.txt b/samples/snippets/requirements.txt
index 43219141a..580ea880d 100644
--- a/samples/snippets/requirements.txt
+++ b/samples/snippets/requirements.txt
@@ -1,2 +1,2 @@
-google-cloud-dialogflow==2.8.1
+google-cloud-dialogflow==2.9.0
 Flask==2.0.1