diff --git a/undertow/pom.xml b/undertow/pom.xml
index 1c2cc3aa36b7..d793274a01b8 100644
--- a/undertow/pom.xml
+++ b/undertow/pom.xml
@@ -54,7 +54,7 @@
     </build>
 
     <properties>
-        <undertow-servlet.version>1.4.18.Final</undertow-servlet.version>
+        <undertow-servlet.version>2.3.21.Final</undertow-servlet.version>
         <maven-shade-plugin.version>2.4.3</maven-shade-plugin.version>
         <maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
     </properties>