diff --git a/pom.xml b/pom.xml
index 94d2336..06c3d22 100644
--- a/pom.xml
+++ b/pom.xml
@@ -114,7 +114,7 @@
             <dependency>
                 <groupId>io.undertow</groupId>
                 <artifactId>undertow-core</artifactId>
-                <version>2.2.36.Final</version>
+                <version>2.3.20.Final</version>
                 <scope>test</scope>
             </dependency>