diff --git a/deploys/item-naehwasil-update-20260212.sql b/deploys/item-naehwasil-update-20260212.sql
new file mode 100644
index 0000000..c922a3c
--- /dev/null
+++ b/deploys/item-naehwasil-update-20260212.sql
@@ -0,0 +1,46 @@
+-- ============================================================
+-- 내화실 품목 데이터 업데이트
+-- 대상: tenant_id = 287 (경동), code = '80019'
+-- 생성일: 2026-02-12
+-- 변경: code, name, unit, attributes, options 업데이트
+-- ============================================================
+
+SET @TARGET_TENANT_ID = 287;
+
+-- 안전장치
+SET AUTOCOMMIT = 0;
+START TRANSACTION;
+
+-- 변경 전 확인
+SELECT id, code, name, unit, attributes, options
+FROM items
+WHERE tenant_id = @TARGET_TENANT_ID AND code = '80019';
+
+-- 업데이트
+UPDATE items
+SET
+    code = '내화실-WY-MA12',
+    name = '내화실',
+    unit = '콘',
+    attributes = JSON_SET(
+        COALESCE(attributes, '{}'),
+        '$.spec', 'WY-MA12'
+    ),
+    options = JSON_OBJECT(
+        'lot_managed', TRUE,
+        'consumption_method', 'manual',
+        'production_source', 'purchased',
+        'material', 'SUS316L + Para aramid'
+    ),
+    updated_at = NOW()
+WHERE tenant_id = @TARGET_TENANT_ID
+  AND code = '80019';
+
+-- 변경 후 확인
+SELECT id, code, name, unit, attributes, options
+FROM items
+WHERE tenant_id = @TARGET_TENANT_ID AND code = '내화실-WY-MA12';
+
+-- 확인 후 COMMIT 또는 ROLLBACK
+-- COMMIT;
+-- ROLLBACK;
\ No newline at end of file