diff --git a/pom.xml b/pom.xml
index d75820b..439e08f 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,7 +27,7 @@ the software.
 
     <properties>
         <spring.version>4.3.5.RELEASE</spring.version>
-        <security.version>4.2.2.RELEASE</security.version>
+        <security.version>5.5.7</security.version>
         <jersey.version>1.19.1</jersey.version>
         <swagger.version>1.5.9</swagger.version>
         <solr.version>4.10.4</solr.version>