diff --git a/Dialogflow-CX/requirements.txt b/Dialogflow-CX/requirements.txt
index c999ed13abea..fb9e5d8db1f5 100644
--- a/Dialogflow-CX/requirements.txt
+++ b/Dialogflow-CX/requirements.txt
@@ -1 +1 @@
-google-cloud-dialogflow-cx==1.3.2
+google-cloud-dialogflow-cx==1.4.0