upgrade httpclient from 4.5.1 to 4.5.3

Change-Id: I951cc53b6f319bdb9eba25ecdeaffaae5702fbc2
Issue-ID: APPC-703
Signed-off-by: Taka Cho <tc012c@att.com>
diff --git a/appc-adapters/appc-netconf-adapter/appc-netconf-adapter-bundle/pom.xml b/appc-adapters/appc-netconf-adapter/appc-netconf-adapter-bundle/pom.xml
index 9a515e9..769f022 100644
--- a/appc-adapters/appc-netconf-adapter/appc-netconf-adapter-bundle/pom.xml
+++ b/appc-adapters/appc-netconf-adapter/appc-netconf-adapter-bundle/pom.xml
@@ -105,7 +105,7 @@
         <dependency>
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
-            <version>4.5.1</version>
+            <version>4.5.3</version>
         </dependency>
 
         <dependency>