diff --git a/tcp-end-point/pom.xml b/tcp-end-point/pom.xml
index 131f453..68917c0 100644
--- a/tcp-end-point/pom.xml
+++ b/tcp-end-point/pom.xml
@@ -48,7 +48,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
         <dependency>
             <groupId>io.netty</groupId>
             <artifactId>netty-all</artifactId>
-            <version>4.1.36.Final</version>
+            <version>4.1.42.Final</version>
             <type>jar</type>
         </dependency>