diff --git a/iot-infomgt/iot-infomgt-dao/pom.xml b/iot-infomgt/iot-infomgt-dao/pom.xml
index eb7fd71..6c606fd 100644
--- a/iot-infomgt/iot-infomgt-dao/pom.xml
+++ b/iot-infomgt/iot-infomgt-dao/pom.xml
@@ -62,7 +62,7 @@
         <os-maven-plugin.version>1.5.0</os-maven-plugin.version>
         <rabbitmq.version>3.6.5</rabbitmq.version>
         <kafka.version>0.9.0.0</kafka.version>
-        <hazelcast.version>3.6.6</hazelcast.version>
+        <hazelcast.version>5.1</hazelcast.version>
         <hazelcast-zookeeper.version>3.6.1</hazelcast-zookeeper.version>
         <surfire.version>2.19.1</surfire.version>
         <jar-plugin.version>3.0.2</jar-plugin.version>
diff --git a/iot-infomgt/pom.xml b/iot-infomgt/pom.xml
index bbbb2f5..e72cea0 100644
--- a/iot-infomgt/pom.xml
+++ b/iot-infomgt/pom.xml
@@ -45,7 +45,7 @@
 		<os-maven-plugin.version>1.5.0</os-maven-plugin.version>
 		<rabbitmq.version>3.6.5</rabbitmq.version>
 		<kafka.version>0.9.0.0</kafka.version>
-		<hazelcast.version>3.6.6</hazelcast.version>
+		<hazelcast.version>5.1</hazelcast.version>
 		<hazelcast-zookeeper.version>3.6.1</hazelcast-zookeeper.version>
 		<surfire.version>2.19.1</surfire.version>
 		<jar-plugin.version>3.0.2</jar-plugin.version>