diff --git a/.changeset/pretty-lobsters-reply.md b/.changeset/pretty-lobsters-reply.md
new file mode 100644
index 000000000..378d8ecec
--- /dev/null
+++ b/.changeset/pretty-lobsters-reply.md
@@ -0,0 +1,5 @@
+---
+"@livekit/protocol": patch
+---
+
+update agents observability codegen
diff --git a/observability/agentsobs/gen_reporter.go b/observability/agentsobs/gen_reporter.go
index 891436158..6f7cc746b 100644
--- a/observability/agentsobs/gen_reporter.go
+++ b/observability/agentsobs/gen_reporter.go
@@ -6,7 +6,7 @@ import (
 	"time"
 )
 
-const Version_P0N4MSO = true
+const Version_VKTOC48 = true
 
 type KeyResolver interface {
 	Resolve(string)
@@ -57,6 +57,7 @@ type WorkerReporter interface {
 	ReportLoad(v float32)
 	ReportStatus(v WorkerStatus)
 	ReportStartTime(v time.Time)
+	ReportEndTime(v time.Time)
 	ReportJobsCurrent(v uint32)
 	ReportLive(v uint8)
 	ReportCPU(v int64)
@@ -73,6 +74,7 @@ type WorkerTx interface {
 	ReportLoad(v float32)
 	ReportStatus(v WorkerStatus)
 	ReportStartTime(v time.Time)
+	ReportEndTime(v time.Time)
 	ReportJobsCurrent(v uint32)
 	ReportLive(v uint8)
 	ReportCPU(v int64)
diff --git a/observability/agentsobs/gen_reporter_noop.go b/observability/agentsobs/gen_reporter_noop.go
index 342e784d5..09a5a595e 100644
--- a/observability/agentsobs/gen_reporter_noop.go
+++ b/observability/agentsobs/gen_reporter_noop.go
@@ -94,6 +94,7 @@ func (r *noopWorkerReporter) TxAt(ts time.Time, f func(WorkerTx))
 func (r *noopWorkerReporter) ReportLoad(v float32)                                {}
 func (r *noopWorkerReporter) ReportStatus(v WorkerStatus)                         {}
 func (r *noopWorkerReporter) ReportStartTime(v time.Time)                         {}
+func (r *noopWorkerReporter) ReportEndTime(v time.Time)                           {}
 func (r *noopWorkerReporter) ReportJobsCurrent(v uint32)                          {}
 func (r *noopWorkerReporter) ReportLive(v uint8)                                  {}
 func (r *noopWorkerReporter) ReportCPU(v int64)                                   {}