diff --git a/package.json b/package.json
index e241385b..7ca7ef0c 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
 		"audit:fix": "npm audit fix"
 	},
 	"dependencies": {
+		"@types/pg": "^8.15.6",
 		"axios": "1.13.2",
 		"bcrypt": "6.0.0",
 		"body-parser": "2.2.0",
@@ -47,6 +48,7 @@
 		"multer": "2.0.2",
 		"mysql2": "3.15.3",
 		"nodemailer": "7.0.10",
+		"pg": "^8.16.3",
 		"puppeteer": "24.28.0",
 		"q": "1.5.1",
 		"react": "19.2.0",
diff --git a/src/utils/scripts/update_polygons.ts b/src/utils/scripts/update_polygons.ts
new file mode 100644
index 00000000..5c8d0e23
--- /dev/null
+++ b/src/utils/scripts/update_polygons.ts
@@ -0,0 +1,202 @@
+import axios from 'axios'
+import dotenv from 'dotenv'
+import pLimit from 'p-limit'
+import path from 'path'
+import { Client } from 'pg'
+import { fileURLToPath } from 'url'
+import wkx from 'wkx'
+
+interface MunicipioIBGE {
+  id: number
+  nome: string
+  nome_normalizado: string
+}
+
+interface MunicipioIBGEResponse {
+  id: number
+  nome: string
+}
+
+interface Cidade {
+  id: number
+  nome: string
+  pol_wkb: Buffer | null
+}
+
+interface ResultadoProcessamento {
+  inserido: number
+  atualizado: number
+  erro: number
+}
+
+const currentFilename = fileURLToPath(import.meta.url)
+const currentDirname = path.dirname(currentFilename)
+const projectRoot = path.resolve(currentDirname, '..', '..', '..')
+
+dotenv.config({ path: path.join(projectRoot, '.env') })
+
+const {
+  PG_DATABASE,
+  PG_USERNAME,
+  PG_PASSWORD,
+  PG_HOST,
+  PG_PORT,
+  DATABASE_URL
+} = process.env
+
+const connectionString
+  = DATABASE_URL
+    || `postgresql://${PG_USERNAME}:${PG_PASSWORD}@${PG_HOST}:${PG_PORT}/${PG_DATABASE}`
+
+function isValidConnectionString(cs: string | undefined): boolean {
+  return typeof cs === 'string' && cs.length > 0 && !/undefined/.test(cs)
+}
+
+if (!isValidConnectionString(connectionString)) {
+  process.exit(1)
+}
+
+const API_IBGE_MUNICIPIOS = 'https://servicodados.ibge.gov.br/api/v1/localidades/municipios'
+const API_IBGE_POLYGON
+  = 'https://servicodados.ibge.gov.br/api/v3/malhas/municipios/{codigo_ibge}?formato=application/vnd.geo+json&qualidade=minima'
+
+const MAX_CONCURRENCY = 10
+const REQUEST_DELAY_MS = 150
+
+function removerAcentos(str: string): string {
+  return str.normalize('NFD').replace(/[\u0300-\u036f]/g, '')
+}
+
+function delay(ms: number): Promise<void> {
+  return new Promise(resolve => {
+    setTimeout(resolve, ms)
+  })
+}
+
+async function carregarListaMunicipios(): Promise<MunicipioIBGE[]> {
+  const resp = await axios.get<MunicipioIBGEResponse[]>(API_IBGE_MUNICIPIOS, { timeout: 30000 })
+  return resp.data.map((m: MunicipioIBGEResponse) => ({
+    id: m.id,
+    nome: m.nome,
+    nome_normalizado: removerAcentos(m.nome.toLowerCase())
+  }))
+}
+
+function obterCodigoIbge(nome: string, municipios: MunicipioIBGE[]): number | null {
+  const nomeNorm = removerAcentos(nome.toLowerCase())
+  const m = municipios.find(x => x.nome_normalizado === nomeNorm)
+  return m ? parseInt(String(m.id), 10) : null
+}
+
+async function obterPoligonoIbge(codigoIbge: number): Promise<Buffer> {
+  const url = API_IBGE_POLYGON.replace('{codigo_ibge}', String(codigoIbge))
+  const resp = await axios.get<ArrayBuffer>(url, {
+    responseType: 'arraybuffer',
+    timeout: 30000
+  })
+
+  const txt = Buffer.from(resp.data).toString('utf-8')
+  const geojson = JSON.parse(txt) as { features: Array<{ geometry: unknown }> }
+
+  if (!geojson?.features?.length) {
+    throw new Error(`GeoJSON vazio para codigo ${codigoIbge}`)
+  }
+
+  const { geometry } = geojson.features[0]
+  if (!geometry) {
+    throw new Error(`Sem geometria no GeoJSON para codigo ${codigoIbge}`)
+  }
+
+  const geom = wkx.Geometry.parseGeoJSON(geometry)
+  return geom.toWkb()
+}
+
+async function processarCidade(
+  client: Client,
+  municipios: MunicipioIBGE[],
+  cidade: Cidade
+): Promise<ResultadoProcessamento> {
+  const {
+    id, nome, pol_wkb: polWkb
+  } = cidade
+
+  if (nome === 'Não Informado') {
+    return {
+      inserido: 0, atualizado: 0, erro: 0
+    }
+  }
+
+  const codigoIbge = obterCodigoIbge(nome, municipios)
+  if (!codigoIbge) {
+    return {
+      inserido: 0, atualizado: 0, erro: 1
+    }
+  }
+
+  let polBytes: Buffer
+  try {
+    polBytes = await obterPoligonoIbge(codigoIbge)
+  } catch {
+    return {
+      inserido: 0, atualizado: 0, erro: 1
+    }
+  }
+
+  const sql = `
+    WITH newgeom AS (
+      SELECT ST_Multi(ST_SetSRID(ST_GeomFromWKB($1::bytea, 4674), 4674)) AS g
+    )
+    UPDATE public.cidades
+    SET poligono = (SELECT g FROM newgeom), updated_at = NOW()
+    WHERE id = $2
+    AND (poligono IS NULL OR NOT ST_Equals(poligono, (SELECT g FROM newgeom)));
+  `
+
+  try {
+    const result = await client.query(sql, [polBytes, id])
+    if (result && result.rowCount && result.rowCount > 0) {
+      return polWkb
+        ? {
+            inserido: 0, atualizado: 1, erro: 0
+          }
+        : {
+            inserido: 1, atualizado: 0, erro: 0
+          }
+    }
+    return {
+      inserido: 0, atualizado: 0, erro: 0
+    }
+  } catch {
+    return {
+      inserido: 0, atualizado: 0, erro: 1
+    }
+  }
+}
+
+async function main(): Promise<void> {
+  const municipios = await carregarListaMunicipios()
+  const client = new Client({ connectionString })
+  await client.connect()
+
+  const limit = pLimit(MAX_CONCURRENCY)
+
+  try {
+    const { rows: cidades } = await client.query<Cidade>(
+      'SELECT c.id, c.nome, ST_AsBinary(c.poligono) AS pol_wkb FROM public.cidades c JOIN public.estados e ON c.estado_id = e.id WHERE e.pais_id = 76;'
+    )
+
+    const tarefas = cidades.map(c =>
+      limit(async () => {
+        const res = await processarCidade(client, municipios, c)
+        await delay(REQUEST_DELAY_MS)
+        return res
+      })
+    )
+
+    await Promise.all(tarefas)
+  } finally {
+    await client.end()
+  }
+}
+
+main().catch(() => process.exit(1))
diff --git a/yarn.lock b/yarn.lock
index f11cdbae..2a54bff1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1810,6 +1810,15 @@
   dependencies:
     undici-types "~6.21.0"
 
+"@types/pg@^8.15.6":
+  version "8.15.6"
+  resolved "https://registry.yarnpkg.com/@types/pg/-/pg-8.15.6.tgz#4df7590b9ac557cbe5479e0074ec1540cbddad9b"
+  integrity sha512-NoaMtzhxOrubeL/7UZuNTrejB4MPAJ0RpxZqXQf2qXuVlTPuG6Y8p4u9dKRaue4yjmC7ZhzVO2/Yyyn25znrPQ==
+  dependencies:
+    "@types/node" "*"
+    pg-protocol "*"
+    pg-types "^2.2.0"
+
 "@types/qs@*":
   version "6.9.18"
   resolved "https://registry.yarnpkg.com/@types/qs/-/qs-6.9.18.tgz#877292caa91f7c1b213032b34626505b746624c2"
@@ -5248,11 +5257,67 @@ performance-now@^2.1.0:
   resolved "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz"
   integrity sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==
 
+pg-cloudflare@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/pg-cloudflare/-/pg-cloudflare-1.2.7.tgz#a1f3d226bab2c45ae75ea54d65ec05ac6cfafbef"
+  integrity sha512-YgCtzMH0ptvZJslLM1ffsY4EuGaU0cx4XSdXLRFae8bPP4dS5xL1tNB3k2o/N64cHJpwU7dxKli/nZ2lUa5fLg==
+
 pg-connection-string@2.6.2:
   version "2.6.2"
   resolved "https://registry.npmjs.org/pg-connection-string/-/pg-connection-string-2.6.2.tgz#713d82053de4e2bd166fab70cd4f26ad36aab475"
   integrity sha512-ch6OwaeaPYcova4kKZ15sbJ2hKb/VP48ZD2gE7i1J+L4MspCtBMAx8nMgz7bksc7IojCIIWuEhHibSMFH8m8oA==
 
+pg-connection-string@^2.9.1:
+  version "2.9.1"
+  resolved "https://registry.yarnpkg.com/pg-connection-string/-/pg-connection-string-2.9.1.tgz#bb1fd0011e2eb76ac17360dc8fa183b2d3465238"
+  integrity sha512-nkc6NpDcvPVpZXxrreI/FOtX3XemeLl8E0qFr6F2Lrm/I8WOnaWNhIPK2Z7OHpw7gh5XJThi6j6ppgNoaT1w4w==
+
+pg-int8@1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/pg-int8/-/pg-int8-1.0.1.tgz#943bd463bf5b71b4170115f80f8efc9a0c0eb78c"
+  integrity sha512-WCtabS6t3c8SkpDBUlb1kjOs7l66xsGdKpIPZsg4wR+B3+u9UAum2odSsF9tnvxg80h4ZxLWMy4pRjOsFIqQpw==
+
+pg-pool@^3.10.1:
+  version "3.10.1"
+  resolved "https://registry.yarnpkg.com/pg-pool/-/pg-pool-3.10.1.tgz#481047c720be2d624792100cac1816f8850d31b2"
+  integrity sha512-Tu8jMlcX+9d8+QVzKIvM/uJtp07PKr82IUOYEphaWcoBhIYkoHpLXN3qO59nAI11ripznDsEzEv8nUxBVWajGg==
+
+pg-protocol@*, pg-protocol@^1.10.3:
+  version "1.10.3"
+  resolved "https://registry.yarnpkg.com/pg-protocol/-/pg-protocol-1.10.3.tgz#ac9e4778ad3f84d0c5670583bab976ea0a34f69f"
+  integrity sha512-6DIBgBQaTKDJyxnXaLiLR8wBpQQcGWuAESkRBX/t6OwA8YsqP+iVSiond2EDy6Y/dsGk8rh/jtax3js5NeV7JQ==
+
+pg-types@2.2.0, pg-types@^2.2.0:
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/pg-types/-/pg-types-2.2.0.tgz#2d0250d636454f7cfa3b6ae0382fdfa8063254a3"
+  integrity sha512-qTAAlrEsl8s4OiEQY69wDvcMIdQN6wdz5ojQiOy6YRMuynxenON0O5oCpJI6lshc6scgAY8qvJ2On/p+CXY0GA==
+  dependencies:
+    pg-int8 "1.0.1"
+    postgres-array "~2.0.0"
+    postgres-bytea "~1.0.0"
+    postgres-date "~1.0.4"
+    postgres-interval "^1.1.0"
+
+pg@^8.16.3:
+  version "8.16.3"
+  resolved "https://registry.yarnpkg.com/pg/-/pg-8.16.3.tgz#160741d0b44fdf64680e45374b06d632e86c99fd"
+  integrity sha512-enxc1h0jA/aq5oSDMvqyW3q89ra6XIIDZgCX9vkMrnz5DFTw/Ny3Li2lFQ+pt3L6MCgm/5o2o8HW9hiJji+xvw==
+  dependencies:
+    pg-connection-string "^2.9.1"
+    pg-pool "^3.10.1"
+    pg-protocol "^1.10.3"
+    pg-types "2.2.0"
+    pgpass "1.0.5"
+  optionalDependencies:
+    pg-cloudflare "^1.2.7"
+
+pgpass@1.0.5:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/pgpass/-/pgpass-1.0.5.tgz#9b873e4a564bb10fa7a7dbd55312728d422a223d"
+  integrity sha512-FdW9r/jQZhSeohs1Z3sI1yxFQNFvMcnmfuj4WBMUTxOrAyLMaTcE1aAMBiTlbMNaXvBCQuVi0R7hd8udDSP7ug==
+  dependencies:
+    split2 "^4.1.0"
+
 picocolors@^1.0.0, picocolors@^1.1.1:
   version "1.1.1"
   resolved "https://registry.npmjs.org/picocolors/-/picocolors-1.1.1.tgz"
@@ -5309,13 +5374,35 @@ possible-typed-array-names@^1.0.0:
 
 postcss@^8.5.6:
   version "8.5.6"
-  resolved "https://registry.npmjs.org/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.5.6.tgz#2825006615a619b4f62a9e7426cc120b349a8f3c"
   integrity sha512-3Ybi1tAuwAP9s0r1UQ2J4n5Y0G05bJkpUIO0/bI9MhwmD70S5aTWbXGBwxHrelT+XM1k6dM0pk+SwNkpTRN7Pg==
   dependencies:
     nanoid "^3.3.11"
     picocolors "^1.1.1"
     source-map-js "^1.2.1"
 
+postgres-array@~2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/postgres-array/-/postgres-array-2.0.0.tgz#48f8fce054fbc69671999329b8834b772652d82e"
+  integrity sha512-VpZrUqU5A69eQyW2c5CA1jtLecCsN2U/bD6VilrFDWq5+5UIEVO7nazS3TEcHf1zuPYO/sqGvUvW62g86RXZuA==
+
+postgres-bytea@~1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/postgres-bytea/-/postgres-bytea-1.0.0.tgz#027b533c0aa890e26d172d47cf9ccecc521acd35"
+  integrity sha512-xy3pmLuQqRBZBXDULy7KbaitYqLcmxigw14Q5sj8QBVLqEwXfeybIKVWiqAXTlcvdvb0+xkOtDbfQMOf4lST1w==
+
+postgres-date@~1.0.4:
+  version "1.0.7"
+  resolved "https://registry.yarnpkg.com/postgres-date/-/postgres-date-1.0.7.tgz#51bc086006005e5061c591cee727f2531bf641a8"
+  integrity sha512-suDmjLVQg78nMK2UZ454hAG+OAW+HQPZ6n++TNDUX+L0+uUlLywnoxJKDou51Zm+zTCjrCl0Nq6J9C5hP9vK/Q==
+
+postgres-interval@^1.1.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/postgres-interval/-/postgres-interval-1.2.0.tgz#b460c82cb1587507788819a06aa0fffdb3544695"
+  integrity sha512-9ZhXKM/rw350N1ovuWHbGxnGh/SNJ4cnxHiM0rxE4VN41wsg8P8zWn9hv/buK00RP4WvlOyr/RBDiptyxVbkZQ==
+  dependencies:
+    xtend "^4.0.0"
+
 prelude-ls@^1.2.1:
   version "1.2.1"
   resolved "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz"
@@ -6039,6 +6126,11 @@ spdx-license-ids@^3.0.0:
   resolved "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-3.0.21.tgz"
   integrity sha512-Bvg/8F5XephndSK3JffaRqdT+gyhfqIPwDHpX80tJrF8QQRYMo8sNMeaZ2Dp5+jhwKnUmIOyFFQfHRkjJm5nXg==
 
+split2@^4.1.0:
+  version "4.2.0"
+  resolved "https://registry.yarnpkg.com/split2/-/split2-4.2.0.tgz#c9c5920904d148bab0b9f67145f245a86aadbfa4"
+  integrity sha512-UcjcJOWknrNkF6PLX83qcHM6KHgVKNkV62Y8a5uYDVv9ydGQVwAHMKqHdJje1VTWpljG0WYpCDhrCdAOYH4TWg==
+
 sprintf-js@^1.1.3:
   version "1.1.3"
   resolved "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.1.3.tgz"
@@ -6774,7 +6866,7 @@ ws@^8.18.3:
   resolved "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz#b56b88abffde62791c639170400c93dcb0c95472"
   integrity sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==
 
-xtend@^4.0.2:
+xtend@^4.0.0, xtend@^4.0.2:
   version "4.0.2"
   resolved "https://registry.npmjs.org/xtend/-/xtend-4.0.2.tgz#bb72779f5fa465186b1f438f674fa347fdb5db54"
   integrity sha512-LKYU1iAXJXUgAXn9URjiu+MWhyUXHsvfp7mcuYm9dSUKK0/CjtrUwFAxD82/mCWbtLsGjFIad0wIsod4zrTAEQ==