java.lang.ClassNotFoundException: javax.validation.ParameterNameProvider

Estou com o seguinte problema para iniciar a aplicação após o código desta aula. Na inicialização, o Tomcat aprensenta o seguinte problema:

Caused by: org.hibernate.cfg.beanvalidation.IntegrationException: Error activating Bean Validation integration
    at org.hibernate.cfg.beanvalidation.BeanValidationIntegrator.integrate(BeanValidationIntegrator.java:137)
    at org.hibernate.internal.SessionFactoryImpl.<init>(SessionFactoryImpl.java:276)
    at org.hibernate.boot.internal.SessionFactoryBuilderImpl.build(SessionFactoryBuilderImpl.java:467)
    at org.hibernate.jpa.boot.internal.EntityManagerFactoryBuilderImpl.build(EntityManagerFactoryBuilderImpl.java:939)
    at org.springframework.orm.jpa.vendor.SpringHibernateJpaPersistenceProvider.createContainerEntityManagerFactory(SpringHibernateJpaPersistenceProvider.java:57)
    at org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean.createNativeEntityManagerFactory(LocalContainerEntityManagerFactoryBean.java:365)
    at org.springframework.orm.jpa.AbstractEntityManagerFactoryBean.buildNativeEntityManagerFactory(AbstractEntityManagerFactoryBean.java:390)
    ... 50 more
Caused by: java.lang.NoClassDefFoundError: javax/validation/ParameterNameProvider
    at org.hibernate.validator.HibernateValidator.createGenericConfiguration(HibernateValidator.java:33)
    at javax.validation.Validation$GenericBootstrapImpl.configure(Validation.java:269)
    at javax.validation.Validation.buildDefaultValidatorFactory(Validation.java:111)
    at org.hibernate.cfg.beanvalidation.TypeSafeActivator.getValidatorFactory(TypeSafeActivator.java:501)
    at org.hibernate.cfg.beanvalidation.TypeSafeActivator.activate(TypeSafeActivator.java:84)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:498)
    at org.hibernate.cfg.beanvalidation.BeanValidationIntegrator.integrate(BeanValidationIntegrator.java:131)
    ... 56 more
Caused by: java.lang.ClassNotFoundException: javax.validation.ParameterNameProvider
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1275)
    at org.apache.catalina.loader.WebappClassLoaderBase.loadClass(WebappClassLoaderBase.java:1104)
    ... 66 more

Estou usando jdk1.8.0_151 e Tomcat 9.

Podem me ajudar por favor?