1 files changed, 1 insertions, 0 deletions

diff --git a/synapse/rest/client/v2_alpha/capabilities.py b/synapse/rest/client/v2_alpha/capabilities.py

index 756c2dbdec..3dad4e9542 100644
--- a/synapse/rest/client/v2_alpha/capabilities.py
+++ b/synapse/rest/client/v2_alpha/capabilities.py
@@ -53,6 +53,7 @@ class CapabilitiesRestServlet(RestServlet):
                             "1": "stable",
                             "2": "stable",
                             "state-v2-test": "unstable",
+                            "3": "stable",
                         }
                     },
                     "m.change_password": {