diff --git a/frontend/components/task/TaskModal.vue b/frontend/components/task/TaskModal.vue
index eabaec3..0ebdf95 100644
--- a/frontend/components/task/TaskModal.vue
+++ b/frontend/components/task/TaskModal.vue
@@ -102,6 +102,14 @@
                                 empty-option-label="Aucun groupe"
                                 min-width="w-full"
                             />
+                            <MalioSelect
+                                v-if="clientTicketOptions.length"
+                                v-model="form.clientTicketId"
+                                :options="clientTicketOptions"
+                                label="Ticket client"
+                                empty-option-label="Aucun ticket client"
+                                min-width="w-full"
+                            />
                         </div>
 
                         <!-- Tags -->
@@ -245,8 +253,10 @@
 <script setup lang="ts">
 import type { Task, TaskWrite } from '~/services/dto/task'
 import type { TaskDocument } from '~/services/dto/task-document'
+import type { ClientTicket } from '~/services/dto/client-ticket'
 import { useGiteaService } from '~/services/gitea'
 import { useTaskDocumentService } from '~/services/task-documents'
+import { useClientTicketService } from '~/services/client-tickets'
 import ConfirmDeleteDocumentModal from '~/components/ui/ConfirmDeleteDocumentModal.vue'
 import type { TaskStatus } from '~/services/dto/task-status'
 import type { TaskEffort } from '~/services/dto/task-effort'
@@ -306,6 +316,7 @@ const form = reactive({
     assigneeId: null as number | null,
     groupId: null as number | null,
     tagIds: [] as number[],
+    clientTicketId: null as number | null,
 })
 
 const touched = reactive({
@@ -362,6 +373,7 @@ function populateForm(task: Task | null) {
         form.assigneeId = task.assignee?.id ?? null
         form.groupId = task.group?.id ?? null
         form.tagIds = task.tags.map(t => t.id)
+        form.clientTicketId = task.clientTicket?.id ?? null
     } else {
         form.title = ''
         form.description = ''
@@ -371,13 +383,19 @@ function populateForm(task: Task | null) {
         form.assigneeId = null
         form.groupId = null
         form.tagIds = []
+        form.clientTicketId = null
     }
     touched.title = false
 }
 
-watch(() => props.modelValue, (open) => {
+watch(() => props.modelValue, async (open) => {
     if (open) {
         populateForm(props.task)
+        try {
+            clientTickets.value = await clientTicketService.getAll({ project: props.projectId })
+        } catch {
+            clientTickets.value = []
+        }
     }
 })
 
@@ -400,8 +418,14 @@ watch(() => props.modelValue, async (open) => {
 
 const { create, update, remove } = useTaskService()
 const { remove: removeDocument, getByTask: getDocumentsByTask } = useTaskDocumentService()
+const clientTicketService = useClientTicketService()
 const { t } = useI18n()
 
+const clientTickets = ref<ClientTicket[]>([])
+const clientTicketOptions = computed(() =>
+    clientTickets.value.map(ct => ({ label: `CT-${String(ct.number).padStart(3, '0')} — ${ct.title}`, value: ct.id }))
+)
+
 const authStore = useAuthStore()
 const isAdmin = computed(() => authStore.user?.roles?.includes('ROLE_ADMIN') ?? false)
 
@@ -532,6 +556,7 @@ async function handleSubmit() {
             group: form.groupId ? `/api/task_groups/${form.groupId}` : null,
             project: `/api/projects/${props.projectId}`,
             tags: form.tagIds.map(id => `/api/task_tags/${id}`),
+            clientTicket: form.clientTicketId ? `/api/client_tickets/${form.clientTicketId}` : null,
         }
 
         if (isEditing.value && props.task) {
diff --git a/frontend/services/dto/task.ts b/frontend/services/dto/task.ts
index abc2bc8..abc1374 100644
--- a/frontend/services/dto/task.ts
+++ b/frontend/services/dto/task.ts
@@ -42,4 +42,5 @@ export type TaskWrite = {
     project: string
     tags: string[]
     archived?: boolean
+    clientTicket?: string | null
 }