diff --git a/core2/pom.xml b/core2/pom.xml
index 3165d54b..f7c2593b 100644
--- a/core2/pom.xml
+++ b/core2/pom.xml
@@ -67,7 +67,7 @@
        <dependency>
           <groupId>org.apache.httpcomponents</groupId>
           <artifactId>httpclient</artifactId>
-          <version>4.5.1</version>
+          <version>4.5.13</version>
       </dependency>
       <dependency>
           <groupId>org.apache.commons</groupId>