diff --git a/apps/showcase/pom.xml b/apps/showcase/pom.xml
index 9e9cce2..ab3d46b 100644
--- a/apps/showcase/pom.xml
+++ b/apps/showcase/pom.xml
@@ -165,7 +165,7 @@
         <dependency>
             <groupId>org.hibernate</groupId>
             <artifactId>hibernate-validator</artifactId>
-            <version>5.1.3.Final</version>
+            <version>5.3.5.Final</version>
         </dependency>
 
         <!-- The Servlet API mocks in Spring Framework 4.x only supports Servlet 3.0 and higher.