diff --git a/BigDataVisulalisation/pom.xml b/BigDataVisulalisation/pom.xml
index c207589..60f4afd 100644
--- a/BigDataVisulalisation/pom.xml
+++ b/BigDataVisulalisation/pom.xml
@@ -106,7 +106,7 @@
     <dependency>
       <groupId>org.springframework.security</groupId>
       <artifactId>spring-security-cas</artifactId>
-      <version>4.1.0.RELEASE</version>
+      <version>4.2.13.RELEASE</version>
     </dependency>
     <dependency>
       <groupId>org.jasig.cas.client</groupId>