diff --git a/ummisco.gama.network/.classpath b/ummisco.gama.network/.classpath
index 9880591816..d4143b6dc7 100644
--- a/ummisco.gama.network/.classpath
+++ b/ummisco.gama.network/.classpath
@@ -6,6 +6,7 @@
 			<attribute name="optional" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry exported="true" kind="lib" path="ext/org.eclipse.paho.client.mqttv3-1.2.5.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
 		<attributes>
 			<attribute name="module" value="true"/>
@@ -14,7 +15,6 @@
 	<classpathentry kind="lib" path="ext/jSerialComm-1.3.11.jar"/>
 	<classpathentry kind="lib" path="ext/arduino.jar"/>
 	<classpathentry kind="con" path="org.eclipse.pde.core.requiredPlugins"/>
-	<classpathentry kind="lib" path="ext/org.eclipse.paho.client.mqttv3-1.0.2-3.jar"/>
 	<classpathentry exported="true" kind="lib" path="ext/Java-WebSocket-1.5.3.jar"/>
 	<classpathentry exported="true" kind="lib" path="ext/slf4j-api-2.0.0-alpha1.jar"/>
 	<classpathentry kind="output" path="bin"/>
diff --git a/ummisco.gama.network/META-INF/MANIFEST.MF b/ummisco.gama.network/META-INF/MANIFEST.MF
index a37d34babb..a62a6d6eb6 100644
--- a/ummisco.gama.network/META-INF/MANIFEST.MF
+++ b/ummisco.gama.network/META-INF/MANIFEST.MF
@@ -51,11 +51,11 @@ Export-Package: org.eclipse.paho.client.mqttv3,
 Require-Bundle: msi.gama.core,
  ummisco.gama.serialize
 Bundle-ClassPath: .,
- ext/org.eclipse.paho.client.mqttv3-1.0.2-3.jar,
  ext/arduino.jar,
  ext/jSerialComm-1.3.11.jar,
  ext/Java-WebSocket-1.5.3.jar,
- ext/slf4j-api-2.0.0-alpha1.jar
+ ext/slf4j-api-2.0.0-alpha1.jar,
+ ext/org.eclipse.paho.client.mqttv3-1.2.5.jar
 Bundle-ActivationPolicy: lazy
 Automatic-Module-Name: ummisco.gama.network
  
diff --git a/ummisco.gama.network/build.properties b/ummisco.gama.network/build.properties
index 7949863937..0f83380940 100644
--- a/ummisco.gama.network/build.properties
+++ b/ummisco.gama.network/build.properties
@@ -9,4 +9,5 @@ bin.includes = META-INF/,\
                ext/arduino.jar,\
                ext/jSerialComm-1.3.11.jar,\
                ext/Java-WebSocket-1.5.3.jar,\
+               ext/org.eclipse.paho.client.mqttv3-1.2.5.jar, \
                ext/slf4j-api-2.0.0-alpha1.jar
diff --git a/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.0.2-3.jar b/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.0.2-3.jar
deleted file mode 100644
index 9a88162720..0000000000
Binary files a/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.0.2-3.jar and /dev/null differ
diff --git a/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.2.5.jar b/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.2.5.jar
new file mode 100644
index 0000000000..66f1278e4f
Binary files /dev/null and b/ummisco.gama.network/ext/org.eclipse.paho.client.mqttv3-1.2.5.jar differ