diff --git a/src/Bridges/SecurityDI/SecurityExtension.php b/src/Bridges/SecurityDI/SecurityExtension.php
index 339ec43d..750bcb57 100644
--- a/src/Bridges/SecurityDI/SecurityExtension.php
+++ b/src/Bridges/SecurityDI/SecurityExtension.php
@@ -34,9 +34,9 @@ public function getConfigSchema(): Nette\Schema\Schema
 			'debugger' => Expect::bool(),
 			'users' => Expect::arrayOf(
 				Expect::anyOf(
-					Expect::string(), // user => password
+					Expect::string()->dynamic(), // user => password
 					Expect::structure([ // user => password + roles + data
-						'password' => Expect::string(),
+						'password' => Expect::string()->dynamic(),
 						'roles' => Expect::anyOf(Expect::string(), Expect::listOf('string')),
 						'data' => Expect::array(),
 					])->castTo('array'),
diff --git a/tests/Security.DI/SecurityExtension.authenticator.phpt b/tests/Security.DI/SecurityExtension.authenticator.phpt
index ececfc23..fd159549 100644
--- a/tests/Security.DI/SecurityExtension.authenticator.phpt
+++ b/tests/Security.DI/SecurityExtension.authenticator.phpt
@@ -29,6 +29,8 @@ security:
 		admin: {password: admin123, roles: [admin, user]}
 		user: {password: user123}
 		moderator: {password: moderator123, roles: moderator}
+		dynamic1: ::trim(xxx)
+		dynamic2: {password: ::trim(xxx)}
 ', 'neon'));
 
 eval($compiler->addConfig($config)->compile());
@@ -43,12 +45,16 @@ $userList = [
 	'admin' => 'admin123',
 	'user' => 'user123',
 	'moderator' => 'moderator123',
+	'dynamic1' => 'xxx',
+	'dynamic2' => 'xxx',
 ];
 $expectedRoles = [
 	'john' => [],
 	'admin' => ['admin', 'user'],
 	'user' => [],
 	'moderator' => ['moderator'],
+	'dynamic1' => [],
+	'dynamic2' => [],
 ];
 
 foreach ($userList as $username => $password) {