diff --git a/src/services/User/schema/UpdateProfileSchema.tsx b/src/services/User/schema/UpdateProfileSchema.tsx
index 9e8b33e..93c3ed0 100644
--- a/src/services/User/schema/UpdateProfileSchema.tsx
+++ b/src/services/User/schema/UpdateProfileSchema.tsx
@@ -2,27 +2,28 @@ import { z } from 'zod';
 
 const UpdateProfileSchema = z.object({
   bio: z.string().min(1, 'Bio cannot be empty'),
-  userAvatar: z.optional(
-    z
-      .instanceof(typeof FileList !== 'undefined' ? FileList : Object)
-      .refine((fileList) => fileList instanceof FileList, {
-        message: 'You must submit this form in a web browser.',
-      })
-      .refine(
-        (fileList) =>
-          [...(fileList as FileList)]
-            .map((file) => file.type)
-            .every((fileType) => fileType.startsWith('image/')),
-        { message: 'You must upload only images.' },
-      )
-      .refine(
-        (fileList) =>
-          [...(fileList as FileList)]
-            .map((file) => file.size)
-            .every((fileSize) => fileSize < 15 * 1024 * 1024),
-        { message: 'You must upload images smaller than 15MB.' },
-      ),
-  ),
+  userAvatar: z
+    .instanceof(typeof FileList !== 'undefined' ? FileList : Object)
+    .refine((fileList) => fileList instanceof FileList, {
+      message: 'You must submit this form in a web browser.',
+    })
+    .refine((fileList) => [...(fileList as FileList)].length === 1, {
+      message: 'You must upload one file.',
+    })
+    .refine(
+      (fileList) =>
+        [...(fileList as FileList)]
+          .map((file) => file.type)
+          .every((fileType) => fileType.startsWith('image/')),
+      { message: 'You must upload only images.' },
+    )
+    .refine(
+      (fileList) =>
+        [...(fileList as FileList)]
+          .map((file) => file.size)
+          .every((fileSize) => fileSize < 15 * 1024 * 1024),
+      { message: 'You must upload images smaller than 15MB.' },
+    ),
 });
 
 export default UpdateProfileSchema;