diff --git a/hraven-core/pom.xml b/hraven-core/pom.xml
index 65b1133..b39c480 100644
--- a/hraven-core/pom.xml
+++ b/hraven-core/pom.xml
@@ -245,7 +245,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.3</version>
+      <version>4.5.13</version>
     </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>