diff --git a/appc-common/pom.xml b/appc-common/pom.xml
index 329f566..4999401 100644
--- a/appc-common/pom.xml
+++ b/appc-common/pom.xml
@@ -85,7 +85,7 @@
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>
       <artifactId>httpclient</artifactId>
-      <version>4.5.1</version>
+      <version>4.5.3</version>
     </dependency>
     <dependency>
       <groupId>org.apache.httpcomponents</groupId>