diff --git a/spring-boot-study-mqtt/pom.xml b/spring-boot-study-mqtt/pom.xml
index bb1ab99..ea4bd25 100644
--- a/spring-boot-study-mqtt/pom.xml
+++ b/spring-boot-study-mqtt/pom.xml
@@ -65,7 +65,7 @@
         <dependency>
             <groupId>org.eclipse.paho</groupId>
             <artifactId>org.eclipse.paho.client.mqttv3</artifactId>
-            <version>1.2.0</version>
+            <version>1.2.1</version>
         </dependency>