diff --git a/.classpath b/.classpath
index 62f0bf30..cccd8155 100644
--- a/.classpath
+++ b/.classpath
@@ -28,32 +28,32 @@
 	<classpathentry kind="lib" path="lib/fontbox-2.0.26.jar"/>
 	<classpathentry kind="lib" path="lib/hamcrest-core-1.3.jar"/>
 	<classpathentry kind="lib" path="lib/hsqldb-2.5.2.jar"/>
-	<classpathentry kind="lib" path="lib/htmlunit-2.62.0.jar" sourcepath="lib_src/htmlunit-2.662.0-sources.jar"/>
-	<classpathentry kind="lib" path="lib/htmlunit-core-js-2.62.0.jar"/>
+	<classpathentry kind="lib" path="lib/htmlunit-2.64.0.jar" sourcepath="lib_src/htmlunit-2.662.0-sources.jar"/>
+	<classpathentry kind="lib" path="lib/htmlunit-core-js-2.64.0.jar"/>
 	<classpathentry kind="lib" path="lib/htmlunit-cssparser-1.12.0.jar"/>
 	<classpathentry kind="lib" path="lib/httpclient-4.5.13.jar"/>
 	<classpathentry kind="lib" path="lib/httpcore-4.4.13.jar"/>
 	<classpathentry kind="lib" path="lib/httpmime-4.5.13.jar"/>
 	<classpathentry kind="lib" path="lib/javax.servlet-api-3.1.0.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-client-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-continuation-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-http-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-io-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-security-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-server-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-servlet-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-servlets-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-util-9.4.46.v20220331.jar" sourcepath="C:/Users/ronald/.m2/repository/org/eclipse/jetty/jetty-util/9.4.46.v20220331/jetty-util-9.4.46.v20220331-sources.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-util-ajax-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-webapp-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/jetty-xml-9.4.46.v20220331.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-client-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-continuation-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-http-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-io-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-security-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-server-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-servlet-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-servlets-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-util-9.4.48.v20220622.jar" sourcepath="C:/Users/ronald/.m2/repository/org/eclipse/jetty/jetty-util/9.4.48.v20220622/jetty-util-9.4.48.v20220622-sources.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-util-ajax-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-webapp-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/jetty-xml-9.4.48.v20220622.jar"/>
 	<classpathentry kind="lib" path="lib/junit-4.13.2.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-api-2.17.2.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-core-2.17.2.jar" sourcepath="lib_src/log4j-core-2.17.2-sources.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-jcl-2.17.2.jar"/>
 	<classpathentry kind="lib" path="lib/log4j-slf4j-impl-2.17.2.jar"/>
 	<classpathentry kind="lib" path="lib/mockito-core-3.11.2.jar"/>
-	<classpathentry kind="lib" path="lib/neko-htmlunit-2.62.0.jar"/>
+	<classpathentry kind="lib" path="lib/neko-htmlunit-2.64.0.jar"/>
 	<classpathentry kind="lib" path="lib/objenesis-3.2.jar"/>
 	<classpathentry kind="lib" path="lib/pdfbox-2.0.26.jar"/>
 	<classpathentry kind="lib" path="lib/poi-5.2.2.jar"/>
@@ -61,14 +61,14 @@
 	<classpathentry kind="lib" path="lib/poi-ooxml-lite-5.2.2.jar"/>
 	<classpathentry kind="lib" path="lib/poi-scratchpad-5.2.2.jar"/>
 	<classpathentry kind="lib" path="lib/relaxngDatatype-20020414.jar"/>
-	<classpathentry kind="lib" path="lib/salvation2-3.0.0.jar"/>
+	<classpathentry kind="lib" path="lib/salvation2-3.0.1.jar"/>
 	<classpathentry kind="lib" path="lib/serializer-2.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.31.jar"/>
 	<classpathentry kind="lib" path="lib/SparseBitSet-1.2.jar"/>
 	<classpathentry kind="lib" path="lib/txtmark-0.13.jar"/>
-	<classpathentry kind="lib" path="lib/websocket-api-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/websocket-client-9.4.46.v20220331.jar"/>
-	<classpathentry kind="lib" path="lib/websocket-common-9.4.46.v20220331.jar"/>
+	<classpathentry kind="lib" path="lib/websocket-api-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/websocket-client-9.4.48.v20220622.jar"/>
+	<classpathentry kind="lib" path="lib/websocket-common-9.4.48.v20220622.jar"/>
 	<classpathentry kind="lib" path="lib/xalan-2.7.2.jar"/>
 	<classpathentry kind="lib" path="lib/xercesImpl-2.12.2.jar"/>
 	<classpathentry kind="lib" path="lib/xml-apis-1.4.01.jar"/>
diff --git a/ivy.xml b/ivy.xml
index a5cb981f..be68ad13 100644
--- a/ivy.xml
+++ b/ivy.xml
@@ -38,7 +38,7 @@
         <dependency org="commons-io" name="commons-io" rev="2.10.0" force="true" />
         <dependency org="org.apache.commons" name="commons-lang3" rev="3.12.0" />
         <dependency org="org.apache.commons" name="commons-text" rev="1.9" />
-        <dependency org="net.sourceforge.htmlunit" name="htmlunit" rev="2.62.0" changing="true" />
+        <dependency org="net.sourceforge.htmlunit" name="htmlunit" rev="2.64.0" changing="true" />
         <!-- dependency org="net.sourceforge.htmlunit" name="htmlunit-core-js" rev="2.38.0" changing="true" /-->
         <dependency org="org.apache.logging.log4j" name="log4j-api" rev="2.17.2" />
         <dependency org="org.apache.logging.log4j" name="log4j-core" rev="2.17.2" />
@@ -52,15 +52,15 @@
 
         <dependency org="junit" name="junit" rev="4.13.2" transitive="true" conf="test,sources" />
         <dependency org="org.mockito" name="mockito-core" rev="3.11.2" conf="test,sources" />
-        <dependency org="org.eclipse.jetty" name="jetty-server" rev="9.4.46.v20220331" conf="test" />
-        <dependency org="org.eclipse.jetty" name="jetty-servlet" rev="9.4.46.v20220331" conf="test" />
-        <dependency org="org.eclipse.jetty" name="jetty-servlets" rev="9.4.46.v20220331" conf="test" />
+        <dependency org="org.eclipse.jetty" name="jetty-server" rev="9.4.48.v20220622" conf="test" />
+        <dependency org="org.eclipse.jetty" name="jetty-servlet" rev="9.4.48.v20220622" conf="test" />
+        <dependency org="org.eclipse.jetty" name="jetty-servlets" rev="9.4.48.v20220622" conf="test" />
         <dependency org="org.apache.logging.log4j" name="log4j-slf4j-impl" rev="2.17.2" conf="test,sources" />
         <dependency org="org.hsqldb" name="hsqldb" rev="2.5.2" conf="test" />
 
         <!-- fix version of jetty as htmlunit may use a different version -->
-        <override org="org.eclipse.jetty" module="*" rev="9.4.46.v20220331" />
-        <override org="org.eclipse.jetty.websocket" module="*" rev="9.4.46.v20220331" />
+        <override org="org.eclipse.jetty" module="*" rev="9.4.48.v20220622" />
+        <override org="org.eclipse.jetty.websocket" module="*" rev="9.4.48.v20220622" />
 
         <override org="org.slf4j" module="*" rev="1.7.31" />
     </dependencies>
diff --git a/pom.xml b/pom.xml
index 36259d97..63393b9c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,7 +18,7 @@
 
     <groupId>org.wetator</groupId>
     <artifactId>wetator</artifactId>
-    <version>2.3.0-SNAPSHOT</version>
+    <version>2.4.0-SNAPSHOT</version>
     <packaging>jar</packaging>
 
     <name>Wetator</name>
@@ -266,7 +266,7 @@
             <plugin>
                 <groupId>org.apache.maven.plugins</groupId>
                 <artifactId>maven-javadoc-plugin</artifactId>
-                <version>3.3.2</version>
+                <version>3.4.1</version>
                 <configuration>
                     <quiet>true</quiet>
                     <!-- see https://stackoverflow.com/questions/69320220/maven-javadoc-listed-classes-twice -->