diff --git a/src/Controllers/Common/AuthenticationController.cs b/src/Controllers/Common/AuthenticationController.cs
index 3fc5548..465680a 100644
--- a/src/Controllers/Common/AuthenticationController.cs
+++ b/src/Controllers/Common/AuthenticationController.cs
@@ -48,11 +48,15 @@ public class AuthenticationController : Controller {
         } else {
             user = ctx.Users.FirstOrDefault(e => e.Username == data.UserName);
         }
-
-        if (user is null || new PasswordHasher<object>().VerifyHashedPassword(null, user.Password, data.Password) != PasswordVerificationResult.Success) {
+        PasswordVerificationResult result = new PasswordHasher<object>().VerifyHashedPassword(null, user.Password, data.Password);
+        if (user is null || result == PasswordVerificationResult.Failed) {
             return Ok(new ParentLoginInfo { Status = MembershipUserStatus.InvalidPassword });
         }
 
+        if (result == PasswordVerificationResult.SuccessRehashNeeded) {
+            user.Password = new PasswordHasher<object>().HashPassword(null, data.Password);
+        }
+
         // Create session
         Session session = new Session {
             User = user,