diff --git a/gsn-core/pom.xml b/gsn-core/pom.xml
index e69ea9ff7..c8f47c911 100644
--- a/gsn-core/pom.xml
+++ b/gsn-core/pom.xml
@@ -181,7 +181,7 @@
 		<dependency>
 		    <groupId>org.eclipse.paho</groupId>
 		    <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
-		    <version>1.1.0</version>
+		    <version>1.2.1</version>
 		</dependency>
 		<dependency>
 			<groupId>com.thoughtworks.xstream</groupId>