diff --git a/NIPTool/commands/load_commands.py b/NIPTool/commands/load_commands.py
index 0423ff2b..3508862e 100644
--- a/NIPTool/commands/load_commands.py
+++ b/NIPTool/commands/load_commands.py
@@ -52,7 +52,7 @@ def load_batch(
 @load_commands.command(name="user")
 @click.option("--email", required=True)
 @click.option("--user-name", required=True)
-@click.option("--role", type=click.Choice(["RW"]), default="RW", show_default=True)
+@click.option("--role", type=click.Choice(["RW", "R"]), default="RW", show_default=True)
 @click.pass_obj
 def load_user(context: dict, email: str, user_name: str, role: str):
     """Add a user to the database"""
diff --git a/NIPTool/models/server/load.py b/NIPTool/models/server/load.py
index 45f498c6..1e020d7c 100644
--- a/NIPTool/models/server/load.py
+++ b/NIPTool/models/server/load.py
@@ -1,6 +1,7 @@
 from typing import Optional
 
 from pydantic import BaseModel, EmailStr
+from typing_extensions import Literal
 
 
 class BatchRequestBody(BaseModel):
@@ -12,4 +13,4 @@ class BatchRequestBody(BaseModel):
 class UserRequestBody(BaseModel):
     email: EmailStr
     username: str
-    role: str
+    role: Literal["R", "RW"]