diff --git a/cas/pom.xml b/cas/pom.xml
index f94158490b..cfb2cd6590 100644
--- a/cas/pom.xml
+++ b/cas/pom.xml
@@ -43,7 +43,7 @@
         <dependency>
             <groupId>org.jasig.cas</groupId>
             <artifactId>cas-client-core</artifactId>
-            <version>3.1.5</version>
+            <version>3.1.9</version>
         </dependency>
         <dependency>
             <groupId>net.sf.ehcache</groupId>