diff --git a/tempest/services/identity/v2/json/identity_client.py b/tempest/services/identity/v2/json/identity_client.py
index c5f7338..deb7605 100644
--- a/tempest/services/identity/v2/json/identity_client.py
+++ b/tempest/services/identity/v2/json/identity_client.py
@@ -17,6 +17,7 @@
 
 
 class IdentityClientJSON(service_client.ServiceClient):
+    api_version = "v2.0"
 
     def get_api_description(self):
         """Retrieves info about the v2.0 Identity API"""