diff --git a/refarch-gateway/pom.xml b/refarch-gateway/pom.xml
index 40c16d42..53894bef 100644
--- a/refarch-gateway/pom.xml
+++ b/refarch-gateway/pom.xml
@@ -32,7 +32,7 @@
 
         <spring-cloud.version>2023.0.3</spring-cloud.version>
         <logstash.encoder.version>8.0</logstash.encoder.version>
-        <hazelcast.version>5.4.0</hazelcast.version>
+        <hazelcast.version>5.5.0</hazelcast.version>
         <apache.commons.lang.version>3.15.0</apache.commons.lang.version>
     </properties>