diff --git a/libraries-server/pom.xml b/libraries-server/pom.xml
index a849708cd88e..52e59e6292a0 100644
--- a/libraries-server/pom.xml
+++ b/libraries-server/pom.xml
@@ -108,12 +108,12 @@
 
     <properties>
         <assertj.version>3.6.2</assertj.version>
-        <httpclient.version>4.5.3</httpclient.version>
+        <httpclient.version>4.5.13</httpclient.version>
         <jetty.version>9.4.8.v20171121</jetty.version>
         <netty.version>4.1.20.Final</netty.version>
         <tomcat.version>8.5.24</tomcat.version>
         <smack.version>4.3.1</smack.version>
-        <eclipse.paho.client.mqttv3.version>1.2.0</eclipse.paho.client.mqttv3.version>
+        <eclipse.paho.client.mqttv3.version>1.2.1</eclipse.paho.client.mqttv3.version>
         <nanohttpd.version>2.3.1</nanohttpd.version>
     </properties>