diff --git a/gwt/samples/MobileWebApp/pom.xml b/gwt/samples/MobileWebApp/pom.xml
index 92b5d00e..7e542d11 100644
--- a/gwt/samples/MobileWebApp/pom.xml
+++ b/gwt/samples/MobileWebApp/pom.xml
@@ -88,7 +88,7 @@
     <dependency>
       <groupId>org.hibernate</groupId>
       <artifactId>hibernate-validator</artifactId>
-      <version>4.1.0.Final</version>
+      <version>5.3.5.Final</version>
       <exclusions>
         <exclusion>
           <groupId>javax.xml.bind</groupId>