diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 00000000..5b8d5402
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1 @@
+github: [khmarbaise]
\ No newline at end of file
diff --git a/.sdkmanrc b/.sdkmanrc
new file mode 100644
index 00000000..4fc377de
--- /dev/null
+++ b/.sdkmanrc
@@ -0,0 +1,20 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+#
+# Enable auto-env through the sdkman_auto_env config
+# Add key=value pairs of SDKs to use below
+java=8.0.252.hs-adpt
diff --git a/ReleaseNotes.md b/ReleaseNotes.md
index e69a8019..71176ed3 100644
--- a/ReleaseNotes.md
+++ b/ReleaseNotes.md
@@ -2,6 +2,15 @@
 
 ## Release 0.4.0 (NOT RELEASED YET)
 
+ * [Fixed Issue 465][issue-465]
+   
+   * Remove asciidoctor site parts
+     * AS preparation for user guide.
+
+ * [Fixed Issue 464][issue-464]
+   
+   * Replaced xml-apis with xerces-xmlParserAPI.
+   
  * [Fixed Issue 309][issue-309]
  
    * Added possibility to get mode detailed data from Maven Modules from Jobs/Builds
@@ -1156,6 +1165,7 @@ TestReport testReport = mavenJob.getLastSuccessfulBuild().getTestReport();
 [issue-401]: https://github.com/jenkinsci/java-client-api/issues/401
 [issue-402]: https://github.com/jenkinsci/java-client-api/issues/402
 [issue-405]: https://github.com/jenkinsci/java-client-api/issues/405
+[issue-464]: https://github.com/jenkinsci/java-client-api/issues/464
 [pull-123]: https://github.com/jenkinsci/java-client-api/pull/123
 [pull-149]: https://github.com/jenkinsci/java-client-api/pull/149
 [pull-158]: https://github.com/jenkinsci/java-client-api/pull/158
diff --git a/jenkins-client/pom.xml b/jenkins-client/pom.xml
index b70b08fc..2cbc3df9 100644
--- a/jenkins-client/pom.xml
+++ b/jenkins-client/pom.xml
@@ -109,10 +109,9 @@
       <artifactId>assertj-core</artifactId>
       <scope>test</scope>
     </dependency>
-
     <dependency>
-      <groupId>xml-apis</groupId>
-      <artifactId>xml-apis</artifactId>
+      <groupId>xerces</groupId>
+      <artifactId>xmlParserAPIs</artifactId>
     </dependency>
   </dependencies>
 
diff --git a/jenkins-client/src/site/asciidoc/index.adoc b/jenkins-client/src/site/asciidoc/index.adoc
deleted file mode 100644
index 942df55c..00000000
--- a/jenkins-client/src/site/asciidoc/index.adoc
+++ /dev/null
@@ -1,7 +0,0 @@
-:revnumber: ${project-version}
-
-== Overview ==
-
-Here you can see the first page.
-This is the first.
-
diff --git a/jenkins-client/src/site/asciidoc/sub/sub.adoc b/jenkins-client/src/site/asciidoc/sub/sub.adoc
deleted file mode 100644
index 345e6aef..00000000
--- a/jenkins-client/src/site/asciidoc/sub/sub.adoc
+++ /dev/null
@@ -1 +0,0 @@
-Test
diff --git a/pom.xml b/pom.xml
index 98ee517d..f88539d9 100644
--- a/pom.xml
+++ b/pom.xml
@@ -48,7 +48,7 @@
     <maven.compiler.showDeprecation>true</maven.compiler.showDeprecation>
     <maven.compiler.showWarnings>true</maven.compiler.showWarnings>
 
-    <asciidoctor-maven-plugin.version>1.6.0</asciidoctor-maven-plugin.version>
+    <asciidoctor-maven-plugin.version>2.0.0</asciidoctor-maven-plugin.version>
 
     <!-- Version of Jenkins to use for Integration Tests -->
     <jenkins-version>1.644</jenkins-version>
@@ -61,7 +61,7 @@
     <httpclient.version>4.5.8</httpclient.version>
     <httpcore.version>4.4.11</httpcore.version>
     <httpmime.version>4.5.8</httpmime.version>
-    <jackson-databind.version>2.9.9</jackson-databind.version>
+    <jackson-databind.version>2.10.3</jackson-databind.version>
   </properties>
 
   <licenses>
@@ -106,7 +106,7 @@
       <dependency>
         <groupId>org.dom4j</groupId>
         <artifactId>dom4j</artifactId>
-        <version>2.1.1</version>
+        <version>2.1.3</version>
       </dependency>
 
       <dependency>
@@ -209,9 +209,9 @@
         <type>pom</type>
       </dependency>
       <dependency>
-        <groupId>xml-apis</groupId>
-        <artifactId>xml-apis</artifactId>
-        <version>1.4.01</version>
+        <groupId>xerces</groupId>
+        <artifactId>xmlParserAPIs</artifactId>
+        <version>2.6.1</version>
       </dependency>
     </dependencies>
   </dependencyManagement>
@@ -362,26 +362,7 @@
             <artifactId>doxia-module-markdown</artifactId>
             <version>1.9</version>
           </dependency>
-          <dependency>
-            <groupId>org.asciidoctor</groupId>
-            <artifactId>asciidoctor-maven-plugin</artifactId>
-            <version>${asciidoctor-maven-plugin.version}</version>
-          </dependency>
         </dependencies>
-        <configuration>
-          <asciidoc>
-                  <!-- optional site-wide AsciiDoc attributes -->
-            <attributes>
-              <icons>font</icons>
-              <source-highlighter>coderay</source-highlighter>
-              <coderay-css>style</coderay-css>
-              <toclevels>2</toclevels>
-              <project-version>${project.version}</project-version>
-              <sectnums>true</sectnums>
-              <preserveDirectories>true</preserveDirectories>
-            </attributes>
-          </asciidoc>
-        </configuration>
       </plugin>
     </plugins>
   </build>
@@ -477,7 +458,7 @@
   <repositories>
     <repository>
       <id>repo.jenkins-ci.org</id>
-      <url>http://repo.jenkins-ci.org/public/</url>
+      <url>https://repo.jenkins-ci.org/public/</url>
     </repository>
   </repositories>