diff --git a/basic/tcp-client-server/pom.xml b/basic/tcp-client-server/pom.xml
index 48248ee21..84d5983bb 100644
--- a/basic/tcp-client-server/pom.xml
+++ b/basic/tcp-client-server/pom.xml
@@ -79,7 +79,7 @@
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>
       <artifactId>log4j-core</artifactId>
-      <version>2.25.3</version>
+      <version>2.25.4</version>
       <scope>compile</scope>
     </dependency>
     <dependency>