diff --git a/pom.xml b/pom.xml
index adee7393e445..7444551fd9f0 100644
--- a/pom.xml
+++ b/pom.xml
@@ -102,7 +102,7 @@
         <sun.xml.ws.version>2.3.1</sun.xml.ws.version>
         <sun.activation.version>1.2.2</sun.activation.version>
         <org.glassfish.jaxb.xsom.version>2.3.3-b02</org.glassfish.jaxb.xsom.version>
-        <undertow.version>2.2.5.Final</undertow.version>
+        <undertow.version>2.3.4.Final</undertow.version>
         <elytron.version>1.15.3.Final</elytron.version>
         <elytron.undertow-server.version>1.9.0.Final</elytron.undertow-server.version>
         <jetty92.version>9.2.4.v20141103</jetty92.version>