diff --git a/Software/pom.xml b/Software/pom.xml
index acb6a52..867e8fd 100644
--- a/Software/pom.xml
+++ b/Software/pom.xml
@@ -37,7 +37,7 @@
         <dependency>
             <groupId>org.eclipse.paho</groupId>
             <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
-            <version>1.1.1</version>
+            <version>1.2.1</version>
         </dependency>
         <!-- https://mvnrepository.com/artifact/com.pi4j/pi4j-core -->
         <dependency>