diff --git a/sdks/scheduler/models.go b/sdks/scheduler/models.go
index 1b19ba6..024dc9c 100644
--- a/sdks/scheduler/models.go
+++ b/sdks/scheduler/models.go
@@ -43,6 +43,7 @@ var JobInfoTypeUnion = types.NewTypeUnion[JobInfo](
 	(*DataReturnJobInfo)(nil),
 	(*MultiInstanceJobInfo)(nil),
 	(*InstanceJobInfo)(nil),
+	(*UpdateMultiInstanceJobInfo)(nil),
 )
 var _ = serder.UseTypeUnionInternallyTagged(&JobInfoTypeUnion, "type")
 
@@ -82,6 +83,17 @@ type MultiInstanceJobInfo struct {
 	ModelJobInfo ModelJobInfo     `json:"modelJobInfo"`
 }
 
+type UpdateMultiInstanceJobInfo struct {
+	serder.Metadata `union:"UpdateModel"`
+	JobInfoBase
+	Type                  string         `json:"type"`
+	Files                 JobFilesInfo   `json:"files"`
+	Runtime               JobRuntimeInfo `json:"runtime"`
+	MultiInstanceJobSetID JobSetID       `json:"multiInstanceJobSetID"`
+	InstanceIDs           []JobID        `json:"instanceIDs"`
+	UpdateStrategy        string         `json:"updateStrategy"`
+}
+
 type ModelJobInfo struct {
 	Type    string `json:"type"`
 	ModelID string `json:"modelID"`