diff --git a/akka/akka-publish-subscribe-cluster/pom.xml b/akka/akka-publish-subscribe-cluster/pom.xml
index a51bc99..e59f566 100644
--- a/akka/akka-publish-subscribe-cluster/pom.xml
+++ b/akka/akka-publish-subscribe-cluster/pom.xml
@@ -28,7 +28,7 @@
     <dependency>
       <groupId>com.typesafe.akka</groupId>
       <artifactId>akka-cluster-tools_2.12</artifactId>
-      <version>2.4.14</version>
+      <version>2.6.19</version>
     </dependency>
   </dependencies>