diff --git a/roles/arteria-delivery-ws/defaults/main.yml b/roles/arteria-delivery-ws/defaults/main.yml
index 22292225..1c6b99a6 100644
--- a/roles/arteria-delivery-ws/defaults/main.yml
+++ b/roles/arteria-delivery-ws/defaults/main.yml
@@ -7,8 +7,7 @@
 #
 # This will set corresponding paths and use the appropriate port. 
 arteria_delivery_repo: https://github.com/arteria-project/arteria-delivery.git
-#arteria_delivery_version: v1.0.3 
-arteria_delivery_version: master
+arteria_delivery_version: v2.0.0
 
 arteria_install_path: "{{ sw_path }}/arteria"
 conda_bin: "{{ sw_path }}/anaconda/bin/conda"