diff --git a/targets/f18/api_symbols.csv b/targets/f18/api_symbols.csv
index 8a5e44c97..aaab39f40 100644
--- a/targets/f18/api_symbols.csv
+++ b/targets/f18/api_symbols.csv
@@ -1,5 +1,5 @@
 entry,status,name,type,params
-Version,+,50.0,,
+Version,v,50.1,,
 Header,+,applications/services/bt/bt_service/bt.h,,
 Header,+,applications/services/cli/cli.h,,
 Header,+,applications/services/cli/cli_vcp.h,,
@@ -2796,6 +2796,7 @@ Variable,+,sequence_reset_red,const NotificationSequence,
 Variable,+,sequence_reset_rgb,const NotificationSequence,
 Variable,+,sequence_reset_sound,const NotificationSequence,
 Variable,+,sequence_reset_vibro,const NotificationSequence,
+Variable,+,sequence_semi_success,const NotificationSequence,
 Variable,+,sequence_set_blue_255,const NotificationSequence,
 Variable,+,sequence_set_green_255,const NotificationSequence,
 Variable,+,sequence_set_only_blue_255,const NotificationSequence,