diff --git a/src/Form/BookingEditParticipantType.php b/src/Form/BookingEditParticipantType.php
index 2e2d890..9076ce5 100644
--- a/src/Form/BookingEditParticipantType.php
+++ b/src/Form/BookingEditParticipantType.php
@@ -42,14 +42,14 @@ class BookingEditParticipantType extends AbstractType
                     'attr' => [
                         'readonly' => false === $personalDataMutable,
                     ],
-                    'anti_xss' => true,
+                    'clean_xss' => true,
                 ])
                 ->add('lastName', TextType::class, [
                     'label' => 'Nachname',
                     'attr' => [
                         'readonly' => false === $personalDataMutable,
                     ],
-                    'anti_xss' => true,
+                    'clean_xss' => true,
                 ])
                 ->add('dateOfBirth', BirthdayType::class, [
                     'label' => 'Geburtsdatum',
@@ -89,7 +89,7 @@ class BookingEditParticipantType extends AbstractType
                     'attr' => [
                         'readonly' => true === $isApplicant,
                     ],
-                    'anti_xss' => true,
+                    'clean_xss' => true,
                 ])
                 ->add('mobile', TextType::class, [
                     'label' => 'Telefon (mobil)',
@@ -97,7 +97,7 @@ class BookingEditParticipantType extends AbstractType
                     'attr' => [
                         'readonly' => true === $isApplicant,
                     ],
-                    'anti_xss' => true,
+                    'clean_xss' => true,
                 ])
                 ->add('height', ChoiceType::class, [
                     'label' => 'Körpergröße',
diff --git a/src/Form/PersonalDataType.php b/src/Form/PersonalDataType.php
index 92f0797..21e6df0 100644
--- a/src/Form/PersonalDataType.php
+++ b/src/Form/PersonalDataType.php
@@ -16,17 +16,17 @@ class PersonalDataType extends AbstractType
             ->add('street', TextType::class, [
                 'label' => 'Straße',
                 'property_path' => 'address.street',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('postCode', TextType::class, [
                 'label' => 'PLZ',
                 'property_path' => 'address.postCode',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('city', TextType::class, [
                 'label' => 'Stadt',
                 'property_path' => 'address.city',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('country', CountryType::class, [
                 'label' => 'Land',
@@ -35,18 +35,18 @@ class PersonalDataType extends AbstractType
             ->add('email', EmailType::class, [
                 'label' => 'E-Mail',
                 'property_path' => 'communication.email',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('phone', TextType::class, [
                 'label' => 'Telefon',
                 'required' => false,
                 'property_path' => 'communication.phone',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('mobile', TextType::class, [
                 'label' => 'Mobil',
                 'property_path' => 'communication.mobile',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
         ;
     }
diff --git a/src/Form/RegistrationType.php b/src/Form/RegistrationType.php
index 85256f8..c67e204 100644
--- a/src/Form/RegistrationType.php
+++ b/src/Form/RegistrationType.php
@@ -25,14 +25,14 @@ class RegistrationType extends AbstractType
             ])
             ->add('firstName', TextType::class, [
                 'label' => 'Name',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
             ->add('name', TextType::class, [
                 'label' => 'Nachname',
             ])
             ->add('email', EmailType::class, [
                 'label' => 'E-Mail',
-                'anti_xss' => true,
+                'clean_xss' => true,
             ])
         ;
     }