diff --git a/notificationservice/pom.xml b/notificationservice/pom.xml
index b4d692d..a979585 100644
--- a/notificationservice/pom.xml
+++ b/notificationservice/pom.xml
@@ -60,7 +60,7 @@
 		<dependency>
 		    <groupId>org.apache.httpcomponents</groupId>
 		    <artifactId>httpclient</artifactId>
-		    <version>4.5.5</version>
+		    <version>4.5.13</version>
 		</dependency>
 		<!-- https://mvnrepository.com/artifact/org.json/json -->
 		<dependency>