diff --git a/src/app/login/page.tsx b/src/app/login/page.tsx
index 3d6844e..5619600 100644
--- a/src/app/login/page.tsx
+++ b/src/app/login/page.tsx
@@ -7,12 +7,13 @@ import { useEffect } from "react";
 import { useRouter } from "next/navigation";
 import { Button } from "@/components/ui/button";
 import { KeyRound } from "lucide-react";
+import type { AuthChangeEvent, Session } from "@supabase/supabase-js";
 
 export default function LoginPage() {
   const router = useRouter();
 
   useEffect(() => {
-    const { data: { subscription } } = supabase.auth.onAuthStateChange((event, session) => {
+    const { data: { subscription } } = supabase.auth.onAuthStateChange((_event: AuthChangeEvent, session: Session | null) => {
       if (session) {
         router.push('/');
       }
diff --git a/src/app/page.tsx b/src/app/page.tsx
index bcb0d3b..e30a35d 100644
--- a/src/app/page.tsx
+++ b/src/app/page.tsx
@@ -5,6 +5,7 @@ import { useRouter } from 'next/navigation';
 import { supabase } from '@/integrations/supabase/client';
 import { VideoEditor } from "@/components/video-editor";
 import { Loader2 } from 'lucide-react';
+import type { AuthChangeEvent, Session } from '@supabase/supabase-js';
 
 export default function Home() {
   const router = useRouter();
@@ -22,7 +23,7 @@ export default function Home() {
 
     checkSession();
 
-    const { data: { subscription } } = supabase.auth.onAuthStateChange((event, session) => {
+    const { data: { subscription } } = supabase.auth.onAuthStateChange((event: AuthChangeEvent, _session: Session | null) => {
       if (event === 'SIGNED_OUT') {
         router.push('/login');
       }
diff --git a/src/components/header.tsx b/src/components/header.tsx
index e7e4f68..c5a9271 100644
--- a/src/components/header.tsx
+++ b/src/components/header.tsx
@@ -2,7 +2,7 @@
 
 import { useEffect, useState } from 'react';
 import { supabase } from '@/integrations/supabase/client';
-import { User as SupabaseUser } from '@supabase/supabase-js';
+import { User as SupabaseUser, AuthChangeEvent, Session } from '@supabase/supabase-js';
 import { Button } from './ui/button';
 import { LogOut, User } from 'lucide-react';
 import { useRouter } from 'next/navigation';
@@ -21,7 +21,7 @@ export function Header() {
   const router = useRouter();
 
   useEffect(() => {
-    const { data: { subscription } } = supabase.auth.onAuthStateChange((event, session) => {
+    const { data: { subscription } } = supabase.auth.onAuthStateChange((_event: AuthChangeEvent, session: Session | null) => {
       setUser(session?.user ?? null);
     });