diff --git a/src/modules/charges/application/dto/create-charge.dto.ts b/src/modules/charges/application/dto/create-charge.dto.ts
index 050a06b..1a82f10 100644
--- a/src/modules/charges/application/dto/create-charge.dto.ts
+++ b/src/modules/charges/application/dto/create-charge.dto.ts
@@ -2,7 +2,7 @@ import { createZodDto } from 'nestjs-zod';
 import { z } from 'zod';
 
 const CreateChargeSchema = z.object({
-  amount: z.number().int().min(1),
+  amount: z.number().int().min(1).max(2147483647),
   currency: z.string().length(3),
   payer_document: z.string().regex(/^\d{11}$/, 'payer_document must be an 11-digit CPF'),
   description: z.string().optional(),
diff --git a/test/e2e/charges.controller.e2e-spec.ts b/test/e2e/charges.controller.e2e-spec.ts
index 62472f9..f3091b5 100644
--- a/test/e2e/charges.controller.e2e-spec.ts
+++ b/test/e2e/charges.controller.e2e-spec.ts
@@ -105,6 +105,15 @@ describe('ChargesController (e2e)', () => {
       expect(res.status).toBe(400);
     });
 
+    it('retorna 400 quando amount excede o limite inteiro (validação Zod)', async () => {
+      const res = await request(app.getHttpServer())
+        .post('/charges')
+        .set('Idempotency-Key', uuidv4())
+        .send({ ...validBody, amount: 2147483648 });
+
+      expect(res.status).toBe(400);
+    });
+
     it('retorna 400 quando currency está ausente (validação Zod)', async () => {
       const res = await request(app.getHttpServer())
         .post('/charges')
diff --git a/tsconfig.build.json b/tsconfig.build.json
index 64f86c6..69c66fc 100644
--- a/tsconfig.build.json
+++ b/tsconfig.build.json
@@ -1,4 +1,4 @@
 {
   "extends": "./tsconfig.json",
-  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts", "vitest.config.ts"]
 }