diff --git a/devconf2019-app/pom.xml b/devconf2019-app/pom.xml
index 7fc10c1..24626dc 100644
--- a/devconf2019-app/pom.xml
+++ b/devconf2019-app/pom.xml
@@ -13,7 +13,7 @@
 
     <properties>
         <springboot-version>2.0.3.RELEASE</springboot-version>
-        <httpclient.version>4.5.3</httpclient.version>
+        <httpclient.version>4.5.13</httpclient.version>
         <spring-mvc-cache-control.version>1.1.1-RELEASE</spring-mvc-cache-control.version>
     </properties>
     <dependencyManagement>