diff --git a/db/migrations/0009_shopify_catalog_alignment.sql b/db/migrations/0009_shopify_catalog_alignment.sql
new file mode 100644
index 0000000..f4610f6
--- /dev/null
+++ b/db/migrations/0009_shopify_catalog_alignment.sql
@@ -0,0 +1,121 @@
+BEGIN;
+
+-- Shopify catalog alignment for the current ERP catalog.
+-- Historical Wix aliases remain untouched; Shopify aliases are added separately.
+
+INSERT INTO product (sku, name, status, uom, created_at, updated_at)
+VALUES (
+  '006',
+  'Cordyceps Extrakt Tinktur 50 ml | 100% rein',
+  'active',
+  'unit',
+  NOW(),
+  NOW()
+)
+ON CONFLICT (sku) DO NOTHING;
+
+-- The existing ERP item carrying the historical 005.01 alias is the
+-- Lion''s Mane & Chaga item. Its internal code must match its Shopify SKU.
+UPDATE sellable_item si
+SET item_code = '005.01',
+    display_name = 'Lion''s Mane & Chaga Extrakt Tinktur | 2 x 50 ml',
+    updated_at = NOW()
+WHERE si.id = (
+  SELECT eia.sellable_item_id
+  FROM external_item_alias eia
+  WHERE eia.source_system = 'wix'
+    AND eia.external_article_number = '005.01'
+  ORDER BY eia.id
+  LIMIT 1
+);
+
+UPDATE sellable_item
+SET display_name = CASE item_code
+  WHEN '001.01' THEN 'Chaga Extrakt Tinktur 50 ml | 100% rein'
+  WHEN '001.02' THEN 'Chaga Extrakt Tinktur | 2 x 50 ml | 100% rein'
+  WHEN '002.01' THEN 'Lion''s Mane Extrakt Tinktur 50 ml | 100% rein'
+  WHEN '002.02' THEN 'Lion''s Mane Extrakt Tinktur | 2 × 50 ml | 100% rein'
+  WHEN '003.01' THEN 'Reishi Extrakt Tinktur 50 ml | 100% rein'
+  WHEN '003.02' THEN 'Reishi Extrakt Tinktur | 2 x 50 ml | 100% rein'
+  WHEN '004.01' THEN 'Shiitake Extrakt Tinktur 50 ml | 100% rein'
+  WHEN '004.02' THEN 'Shiitake Extrakt Tinktur | 2 x 50 ml | 100% rein'
+  WHEN '005.01' THEN 'Lion''s Mane & Chaga Extrakt Tinktur | 2 x 50 ml'
+  WHEN '005.02' THEN 'Lion''s Mane & Reishi Extrakt Tinktur | 2 x 50 ml'
+  ELSE display_name
+END,
+updated_at = NOW()
+WHERE item_code IN (
+  '001.01', '001.02', '002.01', '002.02', '003.01', '003.02',
+  '004.01', '004.02', '005.01', '005.02'
+);
+
+INSERT INTO sellable_item (item_code, display_name, status, created_at, updated_at)
+VALUES
+  ('006.01', 'Cordyceps Extrakt Tinktur 50 ml | 100% rein', 'active', NOW(), NOW()),
+  ('006.02', 'Cordyceps Extrakt Tinktur 50 ml | 100% rein | 2er Set', 'active', NOW(), NOW())
+ON CONFLICT (item_code) DO NOTHING;
+
+INSERT INTO sellable_item_component (
+  sellable_item_id,
+  product_id,
+  qty_per_item,
+  created_at,
+  updated_at
+)
+SELECT si.id, p.id, v.qty_per_item, NOW(), NOW()
+FROM (
+  VALUES ('006.01', 1.0000::NUMERIC), ('006.02', 2.0000::NUMERIC)
+) AS v(item_code, qty_per_item)
+JOIN sellable_item si ON si.item_code = v.item_code
+JOIN product p ON p.sku = '006'
+WHERE NOT EXISTS (
+  SELECT 1
+  FROM sellable_item_component sic
+  WHERE sic.sellable_item_id = si.id
+    AND sic.product_id = p.id
+);
+
+-- Add the Shopify catalog identities without rewriting historical Wix aliases.
+INSERT INTO external_item_alias (
+  source_system,
+  external_article_number,
+  external_title,
+  title_normalized,
+  sellable_item_id,
+  is_active,
+  created_at,
+  updated_at
+)
+SELECT
+  'shopify',
+  v.sku,
+  v.title,
+  v.title_normalized,
+  si.id,
+  TRUE,
+  NOW(),
+  NOW()
+FROM (
+  VALUES
+    ('001.01', 'Chaga Extrakt Tinktur 50 ml | 100% rein', 'chaga extrakt tinktur 50 ml 100 rein'),
+    ('001.02', 'Chaga Extrakt Tinktur | 2 x 50 ml | 100% rein', 'chaga extrakt tinktur 2 x 50 ml 100 rein'),
+    ('002.01', 'Lion''s Mane Extrakt Tinktur 50 ml | 100% rein', 'lion s mane extrakt tinktur 50 ml 100 rein'),
+    ('002.02', 'Lion''s Mane Extrakt Tinktur | 2 × 50 ml | 100% rein', 'lion s mane extrakt tinktur 2 50 ml 100 rein'),
+    ('003.01', 'Reishi Extrakt Tinktur 50 ml | 100% rein', 'reishi extrakt tinktur 50 ml 100 rein'),
+    ('003.02', 'Reishi Extrakt Tinktur | 2 x 50 ml | 100% rein', 'reishi extrakt tinktur 2 x 50 ml 100 rein'),
+    ('004.01', 'Shiitake Extrakt Tinktur 50 ml | 100% rein', 'shiitake extrakt tinktur 50 ml 100 rein'),
+    ('004.02', 'Shiitake Extrakt Tinktur | 2 x 50 ml | 100% rein', 'shiitake extrakt tinktur 2 x 50 ml 100 rein'),
+    ('005.01', 'Lion''s Mane & Chaga Extrakt Tinktur | 2 x 50 ml', 'lion s mane chaga extrakt tinktur 2 x 50 ml'),
+    ('005.02', 'Lion''s Mane & Reishi Extrakt Tinktur | 2 x 50 ml', 'lion s mane reishi extrakt tinktur 2 x 50 ml'),
+    ('006.01', 'Cordyceps Extrakt Tinktur 50 ml | 100% rein', 'cordyceps extrakt tinktur 50 ml 100 rein'),
+    ('006.02', 'Cordyceps Extrakt Tinktur 50 ml | 100% rein | 2er Set', 'cordyceps extrakt tinktur 50 ml 100 rein 2er set')
+) AS v(sku, title, title_normalized)
+JOIN sellable_item si ON si.item_code = v.sku
+WHERE NOT EXISTS (
+  SELECT 1
+  FROM external_item_alias eia
+  WHERE eia.source_system = 'shopify'
+    AND eia.external_article_number = v.sku
+);
+
+COMMIT;