diff --git a/undertow/pom.xml b/undertow/pom.xml
index bed9c905c228..ec308c6f475f 100644
--- a/undertow/pom.xml
+++ b/undertow/pom.xml
@@ -55,7 +55,7 @@
     </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>