diff --git a/Edge_Server/pom.xml b/Edge_Server/pom.xml
old mode 100755
new mode 100644
index 904338a..f2fe28d
--- a/Edge_Server/pom.xml
+++ b/Edge_Server/pom.xml
@@ -31,7 +31,7 @@
         <dependency>
             <groupId>org.eclipse.paho</groupId>
             <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>
         <dependency>
             <groupId>org.apache.commons</groupId>