diff --git a/src/exception/client-exception/index.ts b/src/exception/client-exception/index.ts
index 87313db..27e8ecd 100644
--- a/src/exception/client-exception/index.ts
+++ b/src/exception/client-exception/index.ts
@@ -6,3 +6,4 @@ export { NotFoundException } from './not-found-exception';
 export { TokenExpiredException } from './token-expired-exception';
 export { UnauthorizedException } from './unauthorized-exception';
 export { ConflictException } from './conflict-exception';
+export { UnprocessableEntityException } from './unprocessable-entity-exception';
diff --git a/src/exception/client-exception/unprocessable-entity-exception.ts b/src/exception/client-exception/unprocessable-entity-exception.ts
new file mode 100644
index 0000000..59db79f
--- /dev/null
+++ b/src/exception/client-exception/unprocessable-entity-exception.ts
@@ -0,0 +1,8 @@
+import { HttpState } from '../../http-client';
+import { ClientException } from './client-exception';
+
+export class UnprocessableEntityException extends ClientException {
+  constructor(message = 'UNPROCESSABLE ENTITY', cause?: Error) {
+    super(HttpState.UNPROCESSABLE_ENTITY, message, cause);
+  }
+}
diff --git a/src/exception/index.ts b/src/exception/index.ts
index 93ed988..3d5d545 100644
--- a/src/exception/index.ts
+++ b/src/exception/index.ts
@@ -7,6 +7,7 @@ export {
   TokenExpiredException,
   UnauthorizedException,
   ConflictException,
+  UnprocessableEntityException,
 } from './client-exception';
 export { CustomException } from './custom-exception';
 export { DataException, InternalServerException, ServerException, UnknownException } from './server-exception';