diff --git a/.devtools/data_generation_scripts/9999_reset_admin_password.php b/.devtools/data_generation_scripts/9999_reset_admin_password.php
index 2023c1c0..5f55fed5 100644
--- a/.devtools/data_generation_scripts/9999_reset_admin_password.php
+++ b/.devtools/data_generation_scripts/9999_reset_admin_password.php
@@ -15,5 +15,5 @@ if ($adminUserRow == null)
 }
 
 $adminUserRow->update([
-	'password' => password_hash('admin', PASSWORD_DEFAULT)
+	'password' => password_hash('admin', PASSWORD_ARGON2ID)
 ]);
diff --git a/middleware/DefaultAuthMiddleware.php b/middleware/DefaultAuthMiddleware.php
index 6b5cfff2..1c0c3dfa 100644
--- a/middleware/DefaultAuthMiddleware.php
+++ b/middleware/DefaultAuthMiddleware.php
@@ -40,10 +40,10 @@ class DefaultAuthMiddleware extends AuthMiddleware
 				$sessionKey = SessionService::getInstance()->CreateSession($user->id, $stayLoggedInPermanently);
 				self::SetSessionCookie($sessionKey);
 
-				if (password_needs_rehash($user->password, PASSWORD_DEFAULT))
+				if (password_needs_rehash($user->password, PASSWORD_ARGON2ID))
 				{
 					$user->update([
-						'password' => password_hash($inputPassword, PASSWORD_DEFAULT)
+						'password' => password_hash($inputPassword, PASSWORD_ARGON2ID)
 					]);
 				}
 
diff --git a/migrations/0027.php b/migrations/0027.php
index db745475..44bf3dc8 100644
--- a/migrations/0027.php
+++ b/migrations/0027.php
@@ -9,7 +9,7 @@ if (defined('GROCY_HTTP_USER'))
 	// Migrate old user defined in config file to database
 	$newUserRow = $db->users()->createRow([
 		'username' => GROCY_HTTP_USER,
-		'password' => password_hash(GROCY_HTTP_PASSWORD, PASSWORD_DEFAULT)
+		'password' => password_hash(GROCY_HTTP_PASSWORD, PASSWORD_ARGON2ID)
 	]);
 	$newUserRow->save();
 }
@@ -18,7 +18,7 @@ else
 	// Create default user "admin" with password "admin"
 	$newUserRow = $db->users()->createRow([
 		'username' => 'admin',
-		'password' => password_hash('admin', PASSWORD_DEFAULT)
+		'password' => password_hash('admin', PASSWORD_ARGON2ID)
 	]);
 	$newUserRow->save();
 }
diff --git a/services/UsersService.php b/services/UsersService.php
index f8bcdc5b..17899028 100644
--- a/services/UsersService.php
+++ b/services/UsersService.php
@@ -12,7 +12,7 @@ class UsersService extends BaseService
 			'username' => $username,
 			'first_name' => $firstName,
 			'last_name' => $lastName,
-			'password' => password_hash($password, PASSWORD_DEFAULT),
+			'password' => password_hash($password, PASSWORD_ARGON2ID),
 			'picture_file_name' => $pictureFileName
 		]);
 		$newUserRow = $newUserRow->save();
@@ -61,7 +61,7 @@ class UsersService extends BaseService
 				'username' => $username,
 				'first_name' => $firstName,
 				'last_name' => $lastName,
-				'password' => password_hash($password, PASSWORD_DEFAULT),
+				'password' => password_hash($password, PASSWORD_ARGON2ID),
 				'picture_file_name' => $pictureFileName
 			]);
 		}