diff --git a/lib/pages/login.dart b/lib/pages/login.dart
index 8b621c8..0efa3eb 100644
--- a/lib/pages/login.dart
+++ b/lib/pages/login.dart
@@ -262,7 +262,7 @@ class _LoginPageState extends State<LoginPage> {
                                 shape: BoxShape.circle,
                                 boxShadow: [
                                   BoxShadow(
-                                    color: Colors.grey.withOpacity(0.3),
+                                    color: Colors.grey.withValues(alpha: 0.3),
                                     spreadRadius: 1,
                                     blurRadius: 3,
                                     offset: Offset(0, 1),
@@ -307,7 +307,7 @@ class _LoginPageState extends State<LoginPage> {
                                 shape: BoxShape.circle,
                                 boxShadow: [
                                   BoxShadow(
-                                    color: Colors.grey.withOpacity(0.3),
+                                    color: Colors.grey.withValues(alpha: 0.3),
                                     spreadRadius: 1,
                                     blurRadius: 3,
                                     offset: Offset(0, 1),