diff --git a/dialogflow/requirements.txt b/dialogflow/requirements.txt
index dbac450eaeb7..0ae688b8ff6a 100644
--- a/dialogflow/requirements.txt
+++ b/dialogflow/requirements.txt
@@ -1 +1 @@
-google-cloud-dialogflow==2.1.2
+google-cloud-dialogflow==2.2.0