diff --git a/frontend/services/dto/task.ts b/frontend/services/dto/task.ts
index 467db8f..6ab499e 100644
--- a/frontend/services/dto/task.ts
+++ b/frontend/services/dto/task.ts
@@ -17,6 +17,7 @@ export type Task = {
     effort: TaskEffort | null
     priority: TaskPriority | null
     assignee: UserData | null
+    collaborators: UserData[]
     group: TaskGroup | null
     project: Project | null
     tags: TaskTag[]
@@ -55,6 +56,7 @@ export type TaskWrite = {
     effort: string | null
     priority: string | null
     assignee: string | null
+    collaborators?: string[]
     group: string | null
     project: string
     tags: string[]