diff --git a/app/Http/Controllers/Admin/Manage/PurchaseController.php b/app/Http/Controllers/Admin/Manage/PurchaseController.php
index 66de86e..48a1a79 100644
--- a/app/Http/Controllers/Admin/Manage/PurchaseController.php
+++ b/app/Http/Controllers/Admin/Manage/PurchaseController.php
@@ -7,6 +7,7 @@
 use App\Http\Requests\PaginatedRequest;
 use App\Models\Purchase;
 use App\Services\Admin\Manage\PurchaseService;
+use App\Services\Admin\Master\SupplierService;
 use Illuminate\Http\RedirectResponse;
 use Inertia\Inertia;
 use Inertia\Response;
@@ -14,7 +15,8 @@
 class PurchaseController extends Controller
 {
     public function __construct(
-        private PurchaseService $service,
+        private readonly PurchaseService $service,
+        private readonly SupplierService $supplierService,
     ) {}
 
     public function index(PaginatedRequest $request): Response
@@ -22,7 +24,10 @@ public function index(PaginatedRequest $request): Response
         return Inertia::render('admin/manage/purchase/index', [
             'purchases' => $this->service->paginated(
                 ...$request->validatedWithDefaults(),
+                filters: $request->only(['supplier_id']),
             ),
+            'suppliers' => $this->supplierService->getAll(),
+            'filters' => $request->only(['supplier_id']),
         ]);
     }
 
diff --git a/app/Services/Admin/Manage/PurchaseService.php b/app/Services/Admin/Manage/PurchaseService.php
index 3a03eb2..3f2c9ea 100644
--- a/app/Services/Admin/Manage/PurchaseService.php
+++ b/app/Services/Admin/Manage/PurchaseService.php
@@ -21,7 +21,7 @@ public function __construct(
         private S3PresignedService $s3Service,
     ) {}
 
-    public function paginated(int $perPage = 25, string $search = '', string $sort = 'created_at', string $direction = 'desc'): LengthAwarePaginator
+    public function paginated(int $perPage = 25, string $search = '', string $sort = 'created_at', string $direction = 'desc', array $filters = []): LengthAwarePaginator
     {
         $paginator = Purchase::query()
             ->select(['id', 'supplier_id', 'created_by_id', 'subtotal', 'discount', 'shipping_cost', 'total', 'notes', 'created_at'])
@@ -39,6 +39,7 @@ public function paginated(int $perPage = 25, string $search = '', string $sort =
                 $q->whereHas('supplier', fn ($sq) => $sq->where('name', 'like', "%{$search}%"))
                     ->orWhere('notes', 'like', "%{$search}%");
             })
+            ->when($filters['supplier_id'] ?? null, fn ($q, $supplierId) => $q->where('supplier_id', $supplierId))
             ->orderBy($sort, $direction)
             ->paginate($perPage);
 
diff --git a/resources/js/pages/admin/manage/purchase/index.tsx b/resources/js/pages/admin/manage/purchase/index.tsx
index fded9bd..e927101 100644
--- a/resources/js/pages/admin/manage/purchase/index.tsx
+++ b/resources/js/pages/admin/manage/purchase/index.tsx
@@ -1,19 +1,28 @@
-import { Head, Link, router } from '@inertiajs/react';
-import { Plus } from 'lucide-react';
-import { useState } from 'react';
 import { CardTable } from '@/components/card-table';
 import { DeleteConfirmDialog } from '@/components/delete-confirm-dialog';
+import { FilterPopover } from '@/components/filter-popover';
 import { useCardTableExpand } from '@/components/hooks/use-card-table-expand';
 import { PageHeader } from '@/components/page-header';
 import { Button } from '@/components/ui/button';
+import {
+    Combobox,
+    ComboboxContent,
+    ComboboxEmpty,
+    ComboboxInput,
+    ComboboxItem,
+    ComboboxList,
+} from '@/components/ui/combobox';
 import { useCan } from '@/hooks/use-can';
 import { useServerTable } from '@/hooks/use-server-table';
 import {
     destroy,
     create as purchaseCreate,
-    index as purchaseIndex,
     edit as purchaseEdit,
+    index as purchaseIndex,
 } from '@/routes/admin/manage/purchases';
+import { Head, Link, router } from '@inertiajs/react';
+import { Plus } from 'lucide-react';
+import { useMemo, useState } from 'react';
 import type { Purchase } from './columns';
 import { PurchaseCardRow } from './purchase-card';
 import { PurchaseItemSubRow } from './purchase-sub-row';
@@ -26,9 +35,20 @@ type Props = {
         per_page: number;
         total: number;
     };
+    suppliers: {
+        id: number;
+        name: string;
+    }[];
+    filters: {
+        supplier_id?: string;
+    };
 };
 
-export default function PurchaseIndex({ purchases }: Props) {
+export default function PurchaseIndex({
+    purchases,
+    filters,
+    suppliers,
+}: Props) {
     const { can } = useCan();
     const [deleting, setDeleting] = useState<Purchase | null>(null);
     const expand = useCardTableExpand(true);
@@ -42,14 +62,29 @@ export default function PurchaseIndex({ purchases }: Props) {
 
     const {
         search,
+        filterOpen,
+        setFilterOpen,
         handlePageChange,
         handlePerPageChange,
         handleSearchChange,
+        applyFilter,
+        clearFilters,
     } = useServerTable({
         route: () => purchaseIndex.url(),
         pagination,
+        filters,
+        filterWithParams: false,
+        reloadOnly: ['purchases', 'filters'],
     });
 
+    const selectedSupplier = useMemo(
+        () =>
+            suppliers.find(
+                (s) => String(s.id) === filters.supplier_id,
+            ) ?? null,
+        [suppliers, filters.supplier_id],
+    );
+
     function handleDelete() {
         if (!deleting) {
             return;
@@ -60,6 +95,50 @@ export default function PurchaseIndex({ purchases }: Props) {
         });
     }
 
+    const filterToolbar = (
+        <FilterPopover
+            open={filterOpen}
+            onOpenChange={setFilterOpen}
+            filters={filters}
+            hasActiveFilters={Boolean(filters.supplier_id)}
+            onClear={clearFilters}
+        >
+            <div className="flex flex-col gap-2">
+                <label className="text-xs text-muted-foreground">
+                    Supplier
+                </label>
+                <Combobox
+                    items={suppliers}
+                    itemToStringLabel={(supplier) => supplier.name}
+                    value={selectedSupplier}
+                    onValueChange={(value) =>
+                        applyFilter(
+                            'supplier_id',
+                            value ? String(value.id) : '',
+                        )
+                    }
+                >
+                    <ComboboxInput
+                        placeholder="Pilih supplier..."
+                        className="w-full"
+                    />
+                    <ComboboxContent>
+                        <ComboboxEmpty>
+                            Tidak ada supplier ditemukan.
+                        </ComboboxEmpty>
+                        <ComboboxList>
+                            {(supplier) => (
+                                <ComboboxItem value={supplier}>
+                                    {supplier.name}
+                                </ComboboxItem>
+                            )}
+                        </ComboboxList>
+                    </ComboboxContent>
+                </Combobox>
+            </div>
+        </FilterPopover>
+    );
+
     return (
         <>
             <Head title="Belanja" />
@@ -87,6 +166,7 @@ export default function PurchaseIndex({ purchases }: Props) {
                     searchValue={search}
                     onSearchChange={handleSearchChange}
                     searchPlaceholder="Cari berdasarkan supplier..."
+                    toolbar={filterToolbar}
                     pagination={pagination}
                     onPageChange={handlePageChange}
                     onPerPageChange={handlePerPageChange}
@@ -100,7 +180,7 @@ export default function PurchaseIndex({ purchases }: Props) {
                             purchase={item}
                             index={
                                 (pagination.current_page - 1) *
-                                    pagination.per_page +
+                                pagination.per_page +
                                 index +
                                 1
                             }