diff --git a/backend/open_webui/models/users.py b/backend/open_webui/models/users.py
index e06e6957f..025e79bd8 100644
--- a/backend/open_webui/models/users.py
+++ b/backend/open_webui/models/users.py
@@ -239,15 +239,17 @@ class UserRoleUpdateForm(BaseModel):
 
 
 class UserUpdateForm(BaseModel):
-    role: str
-    name: str
-    email: str
-    profile_image_url: str
+    role: Optional[str] = None
+    name: Optional[str] = None
+    email: Optional[str] = None
+    profile_image_url: Optional[str] = None
     password: Optional[str] = None
 
-    @field_validator('profile_image_url')
+    @field_validator('profile_image_url', mode='before')
     @classmethod
-    def check_profile_image_url(cls, v: str) -> str:
+    def check_profile_image_url(cls, v: Optional[str]) -> Optional[str]:
+        if v is None:
+            return v
         return validate_profile_image_url(v)
 
 
diff --git a/backend/open_webui/routers/users.py b/backend/open_webui/routers/users.py
index 336e54c44..9fd2479ad 100644
--- a/backend/open_webui/routers/users.py
+++ b/backend/open_webui/routers/users.py
@@ -580,7 +580,7 @@ async def update_user_by_id(
                         detail=ERROR_MESSAGES.ACTION_PROHIBITED,
                     )
 
-                if form_data.role != 'admin':
+                if form_data.role is not None and form_data.role != 'admin':
                     # If the primary admin is trying to change their own role, prevent it
                     raise HTTPException(
                         status_code=status.HTTP_403_FORBIDDEN,
@@ -597,7 +597,7 @@ async def update_user_by_id(
     user = await Users.get_user_by_id(user_id, db=db)
 
     if user:
-        if form_data.email.lower() != user.email:
+        if form_data.email is not None and form_data.email.lower() != user.email:
             email_user = await Users.get_user_by_email(form_data.email.lower(), db=db)
             if email_user:
                 raise HTTPException(
@@ -614,17 +614,26 @@ async def update_user_by_id(
             hashed = get_password_hash(form_data.password)
             await Auths.update_user_password_by_id(user_id, hashed, db=db)
 
-        await Auths.update_email_by_id(user_id, form_data.email.lower(), db=db)
-        updated_user = await Users.update_user_by_id(
-            user_id,
-            {
-                'role': form_data.role,
-                'name': form_data.name,
-                'email': form_data.email.lower(),
-                'profile_image_url': form_data.profile_image_url,
-            },
-            db=db,
-        )
+        # Build update dict from only the provided fields
+        update_data = {}
+        if form_data.role is not None:
+            update_data['role'] = form_data.role
+        if form_data.name is not None:
+            update_data['name'] = form_data.name
+        if form_data.email is not None:
+            update_data['email'] = form_data.email.lower()
+            await Auths.update_email_by_id(user_id, form_data.email.lower(), db=db)
+        if form_data.profile_image_url is not None:
+            update_data['profile_image_url'] = form_data.profile_image_url
+
+        if update_data:
+            updated_user = await Users.update_user_by_id(
+                user_id,
+                update_data,
+                db=db,
+            )
+        else:
+            updated_user = user
 
         if updated_user:
             # If the role changed, disconnect all socket sessions so stale