diff --git a/pom.xml b/pom.xml
index 5ba71ad6992..171595f019e 100644
--- a/pom.xml
+++ b/pom.xml
@@ -149,7 +149,7 @@
     <milo.version>0.6.16</milo.version>
     <mockito.version>5.18.0</mockito.version>
     <!-- Netty 4.2.x seems to break the serial transports -->
-    <netty.version>4.1.123.Final</netty.version>
+    <netty.version>4.2.4.Final</netty.version>
     <pcap4j.version>1.8.2</pcap4j.version>
     <slf4j.version>2.0.17</slf4j.version>
     <vavr.version>0.10.7</vavr.version>