diff --git a/src/institucion/dto/input/update.dto.ts b/src/institucion/dto/input/update.dto.ts
index f0ed919..8f2bfdc 100644
--- a/src/institucion/dto/input/update.dto.ts
+++ b/src/institucion/dto/input/update.dto.ts
@@ -17,7 +17,7 @@ export class UpdateInstitucionDto {
 
   @IsEmail()
   @IsOptional()
-  correo?: number;
+  correo?: string;
 
   @IsNumber()
   @IsOptional()
diff --git a/src/institucion/entity/institucion.entity.ts b/src/institucion/entity/institucion.entity.ts
index af589cf..34112c6 100644
--- a/src/institucion/entity/institucion.entity.ts
+++ b/src/institucion/entity/institucion.entity.ts
@@ -19,7 +19,7 @@ export class Institucion {
   @Column({ type: String, nullable: true, length: 4 })
   clave: string;
 
-  @Column({ type: String, nullable: false, length: 60, default: '' })
+  @Column({ type: String, nullable: true, length: 60, default: '' })
   correo: string;
 
   @Column({ type: Number, nullable: false, default: 7 })