upgrade to the last version of hibernate-validator that is based on validation-api 1.0
diff --git a/tapestry-beanvalidator/build.gradle b/tapestry-beanvalidator/build.gradle
index c6fec58..b9d0652 100644
--- a/tapestry-beanvalidator/build.gradle
+++ b/tapestry-beanvalidator/build.gradle
@@ -6,7 +6,7 @@
   compile project(':tapestry-core')
 
   compile "javax.validation:validation-api:1.0.0.GA"
-  compile "org.hibernate:hibernate-validator:4.0.0.GA"
+  compile "org.hibernate:hibernate-validator:4.3.2.Final"
 
   testCompile project(':tapestry-test')
 }