diff --git a/pom.xml b/pom.xml
index f2ef6f382..b9d561439 100644
--- a/pom.xml
+++ b/pom.xml
@@ -56,7 +56,7 @@
         <!-- downgrade since super pom  uses 18.5 -->
         <graphql-java.version>11.0</graphql-java.version>
         <hazelcast-hibernate53.version>5.1.0</hazelcast-hibernate53.version>
-        <hazelcast.version>5.2.4</hazelcast.version>
+        <hazelcast.version>5.3.6</hazelcast.version>
         <swagger-jersey2.version>1.6.2</swagger-jersey2.version>
         <netex-java-model.version>1.0.14</netex-java-model.version>
         <entur.helpers.version>1.100</entur.helpers.version>