diff --git a/dialogflow/requirements.txt b/dialogflow/requirements.txt
index 50a6948ec7b2..80a4a7fddf6c 100644
--- a/dialogflow/requirements.txt
+++ b/dialogflow/requirements.txt
@@ -1 +1 @@
-google-cloud-dialogflow==2.5.0
+google-cloud-dialogflow==2.6.0