diff --git a/src/aeser_chain_objects.erl b/src/aeser_chain_objects.erl
index d3cf543..31081a1 100644
--- a/src/aeser_chain_objects.erl
+++ b/src/aeser_chain_objects.erl
@@ -58,6 +58,7 @@ tag(contract_call) -> 41;
 tag(contract_create_tx) -> 42;
 tag(contract_call_tx) -> 43;
 tag(channel_create_tx) -> 50;
+tag(channel_set_delegates_tx) -> 501;
 tag(channel_deposit_tx) -> 51;
 tag(channel_withdraw_tx) -> 52;
 tag(channel_force_progress_tx) -> 521;
@@ -116,6 +117,7 @@ rev_tag(41) -> contract_call;
 rev_tag(42) -> contract_create_tx;
 rev_tag(43) -> contract_call_tx;
 rev_tag(50) -> channel_create_tx;
+rev_tag(501) -> channel_set_delegates_tx;
 rev_tag(51) -> channel_deposit_tx;
 rev_tag(52) -> channel_withdraw_tx;
 rev_tag(521) -> channel_force_progress_tx;