diff --git a/apps/emqx/priv/bpapi.versions b/apps/emqx/priv/bpapi.versions
index f5c515cce..da3e5d023 100644
--- a/apps/emqx/priv/bpapi.versions
+++ b/apps/emqx/priv/bpapi.versions
@@ -8,6 +8,7 @@
 {emqx_conf,1}.
 {emqx_conf,2}.
 {emqx_dashboard,1}.
+{emqx_delayed,1}.
 {emqx_delayed,2}.
 {emqx_exhook,1}.
 {emqx_gateway_api_listeners,1}.
diff --git a/apps/emqx_modules/src/proto/emqx_delayed_proto_v2.erl b/apps/emqx_modules/src/proto/emqx_delayed_proto_v2.erl
index bb09e47eb..e08ab785a 100644
--- a/apps/emqx_modules/src/proto/emqx_delayed_proto_v2.erl
+++ b/apps/emqx_modules/src/proto/emqx_delayed_proto_v2.erl
@@ -28,7 +28,7 @@
 -include_lib("emqx/include/bpapi.hrl").
 
 introduced_in() ->
-    "5.0.0".
+    "5.0.9".
 
 -spec get_delayed_message(node(), binary()) ->
     emqx_delayed:with_id_return(map()) | emqx_rpc:badrpc().