diff --git a/pyproject.toml b/pyproject.toml
index 44a4c1c..ba5604b 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "HospitalAssistantBackend"
-version = "1.5.8"
+version = "1.5.9"
 description = "Backend for Hospital Assistant"
 readme = "README.md"
 requires-python = ">=3.13,<3.14"
@@ -37,6 +37,7 @@ dependencies = [
     "typer-slim==0.16.1",
     "xsdata[cli]>=26.2",
     "xsdata-pydantic>=24.5",
+    "chardet>=7.4.3",
 ]
 
 [dependency-groups]
diff --git a/src/apps/users/v1/router.py b/src/apps/users/v1/router.py
index c068a16..d206e9a 100644
--- a/src/apps/users/v1/router.py
+++ b/src/apps/users/v1/router.py
@@ -5,6 +5,7 @@ from logging import getLogger
 from secrets import token_urlsafe
 from typing import Annotated
 
+import chardet
 from fastapi import APIRouter, Body, Depends, UploadFile, status
 from orjson import loads
 from xsdata.formats.dataclass.parsers.config import ParserConfig
@@ -127,7 +128,8 @@ async def get_vaccs_report_download(
 
     filename = f'vaccs_report_{resultId or user.vita_id}.pdf'
     xml_data = base64.b64decode(file.content)
-    xml_data = xml_data.decode('utf-8').strip()
+    result = chardet.detect(xml_data)
+    xml_data = xml_data.decode(result['encoding'] or 'utf-8').strip()
     xml_model = parser.from_string(xml_data, ClinicalDocument)
     pdf_string = xml_model.component.non_xmlbody.text.value.strip()