diff --git a/generator/io.vertx/vertx-core/pom.xml b/generator/io.vertx/vertx-core/pom.xml
index 3244072f0..85a351ff0 100644
--- a/generator/io.vertx/vertx-core/pom.xml
+++ b/generator/io.vertx/vertx-core/pom.xml
@@ -17,7 +17,7 @@
 
   <properties>
     <slf4j.version>1.7.31</slf4j.version>
-    <log4j2.version>2.17.1</log4j2.version>
+    <log4j2.version>2.25.3</log4j2.version>
     <netty.version>4.1.72.Final</netty.version>
     <jackson.version>2.13.2.1</jackson.version>