diff --git a/apps/hackathon/src/app/teams/[teamId]/submit/page.tsx b/apps/hackathon/src/app/teams/[teamId]/submit/page.tsx
index 47572d7..f54ef95 100644
--- a/apps/hackathon/src/app/teams/[teamId]/submit/page.tsx
+++ b/apps/hackathon/src/app/teams/[teamId]/submit/page.tsx
@@ -9,7 +9,7 @@ import {
   useSubmitProject,
   useTeamById,
   useTeamSubmission,
-  useUploadFile,
+  useUploadSubmission,
   useAuthStore,
 } from '@imphnen-frontend-service/service';
 import { zodResolver } from '@hookform/resolvers/zod';
@@ -67,7 +67,7 @@ const SubmitProjectPage: FC = (): ReactElement => {
   const { data: submissionData } = useTeamSubmission(teamId || '', !!teamId);
   const { mutateAsync: submitProject, isPending: isSubmitting } =
     useSubmitProject(teamId || '');
-  const { mutateAsync: uploadFile, isPending: isUploading } = useUploadFile();
+  const { mutateAsync: uploadFile, isPending: isUploading } = useUploadSubmission();
 
   const team = teamData?.data;
   const currentUserId = session?.user?.id;
diff --git a/libs/service/src/hooks/upload/index.ts b/libs/service/src/hooks/upload/index.ts
index e44fde1..1811567 100644
--- a/libs/service/src/hooks/upload/index.ts
+++ b/libs/service/src/hooks/upload/index.ts
@@ -14,6 +14,9 @@ export const useUploadFile = () => {
     mutationKey: ['upload-file'],
     mutationFn: async (file: File) => {
       if (!session?.user?.id) throw new Error('You must be logged in to upload files');
+      const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp', 'image/gif'];
+      if (!allowedTypes.includes(file.type)) throw new Error('Invalid file type. Allowed: JPEG, PNG, WebP, GIF');
+      if (file.size > 5 * 1024 * 1024) throw new Error('File too large. Maximum size: 5MB');
       const data = await uploadHackathonTeamFile(file);
       return { data };
     },
@@ -28,7 +31,7 @@ export const useUploadAvatar = () => {
       if (!session?.user?.id) throw new Error('You must be logged in to upload avatar');
       const allowedTypes = ['image/jpeg', 'image/jpg', 'image/png', 'image/webp', 'image/gif'];
       if (!allowedTypes.includes(file.type)) throw new Error('Invalid file type. Allowed: JPEG, PNG, WebP, GIF');
-      if (file.size > 5 * 1024 * 1024) throw new Error('File too large. Maximum size: 5MB');
+      if (file.size > 2 * 1024 * 1024) throw new Error('File too large. Maximum size: 2MB');
       const data = await uploadHackathonAvatar(file);
       return { data };
     },