diff --git a/pyproject.toml b/pyproject.toml
index 2beb5d5..8bb82d5 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "HospitalAssistantBackend"
-version = "1.5.3"
+version = "1.5.4"
 description = "Backend for Hospital Assistant"
 readme = "README.md"
 requires-python = ">=3.13,<3.14"
diff --git a/src/apps/users/v1/schema.py b/src/apps/users/v1/schema.py
index b01abaf..843ae38 100644
--- a/src/apps/users/v1/schema.py
+++ b/src/apps/users/v1/schema.py
@@ -40,8 +40,8 @@ NS = 'urn:hl7-org:v3'
 
 
 class TextElement(BaseXmlModel, tag='text', ns=NS):
-    representation: str = attr()
-    media_type: str = attr(name='mediaType')
+    representation: str | None = attr(default=None)
+    media_type: str | None = attr(name='mediaType', default=None)
     content: str