1 files changed, 3 insertions, 0 deletions
diff --git a/synapse/api/constants.py b/synapse/api/constants.py
index ee129c8689..731c200c8d 100644
--- a/synapse/api/constants.py
+++ b/synapse/api/constants.py
@@ -83,6 +83,7 @@ class EventTypes(object):
     RoomAvatar = "m.room.avatar"
     RoomEncryption = "m.room.encryption"
     GuestAccess = "m.room.guest_access"
+    Encryption = "m.room.encryption"
 
     # These are used for validation
     Message = "m.room.message"
@@ -92,6 +93,8 @@ class EventTypes(object):
     ServerACL = "m.room.server_acl"
     Pinned = "m.room.pinned_events"
 
+    Retention = "m.room.retention"
+
 
 class RejectedReason(object):
     AUTH_ERROR = "auth_error"