diff --git a/kb-proxy-backend/core/pom.xml b/kb-proxy-backend/core/pom.xml
index e9d400f..6cce69e 100644
--- a/kb-proxy-backend/core/pom.xml
+++ b/kb-proxy-backend/core/pom.xml
@@ -22,7 +22,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.8</version>
+            <version>4.5.13</version>
         </dependency>
     </dependencies>