diff --git a/containerless/pom.xml b/containerless/pom.xml
old mode 100755
new mode 100644
index 2150c1c09..4fedc482e
--- a/containerless/pom.xml
+++ b/containerless/pom.xml
@@ -43,7 +43,7 @@
     <dependency>
       <groupId>io.undertow</groupId>
       <artifactId>undertow-core</artifactId>
-      <version>1.1.1.Final</version>
+      <version>2.3.16.Final</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/pom.xml b/pom.xml
index c59a9a959..6c2f8ff0d 100644
--- a/pom.xml
+++ b/pom.xml
@@ -78,7 +78,7 @@
     <version.mockito>5.7.0</version.mockito>
     <version.fabric8_mockwebserver>6.9.2</version.fabric8_mockwebserver>
     <version.descriptor.docker>1.0.0-alpha-2</version.descriptor.docker>
-    <version.undertow>1.3.33.Final</version.undertow>
+    <version.undertow>2.3.16.Final</version.undertow>
     <version.arquillian_spacelift>1.0.2</version.arquillian_spacelift>
     <version.assertj>3.24.2</version.assertj>
     <version.arquillian.reporter>0.0.3</version.arquillian.reporter>