diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
index 5f51041..4e0774d 100644
--- a/.mvn/extensions.xml
+++ b/.mvn/extensions.xml
@@ -2,6 +2,6 @@
   <extension>
     <groupId>io.jenkins.tools.incrementals</groupId>
     <artifactId>git-changelist-maven-extension</artifactId>
-    <version>1.1</version>
+    <version>1.8</version>
   </extension>
 </extensions>
diff --git a/Jenkinsfile b/Jenkinsfile
index 0cd19c7..7b3aa27 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,6 +1,10 @@
+/*
+ See the documentation for more options:
+ https://github.com/jenkins-infra/pipeline-library/
+*/
 buildPlugin(
   useContainerAgent: true,
   configurations: [
-    [platform: 'linux', jdk: 8],
-    [platform: 'windows', jdk: 8],
-])
+    [platform: 'linux', jdk: 21],
+    [platform: 'windows', jdk: 17],
+])
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 2599b6b..acd2d5c 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.29</version>
+        <version>4.82</version>
         <relativePath />
     </parent>
 
@@ -14,7 +14,6 @@
     <packaging>hpi</packaging>
 
     <name>Gitea Plugin</name>
-    <description>SCM API implementation for Gitea</description>
     <url>https://github.com/jenkinsci/gitea-plugin/blob/master/docs/README.md</url>
     <licenses>
         <license>
@@ -33,10 +32,9 @@
     <properties>
         <revision>1.4.8</revision>
         <changelist>-SNAPSHOT</changelist>
-        <java.level>8</java.level>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <argLine>-Dfile.encoding=${project.build.sourceEncoding}</argLine>
-        <jenkins.version>2.289.1</jenkins.version>
+        <jenkins.version>2.426.3</jenkins.version>
         <spotbugs.effort>Max</spotbugs.effort>
         <spotbugs.failOnError>true</spotbugs.failOnError>
         <spotbugs.threshold>Medium</spotbugs.threshold>
@@ -46,8 +44,8 @@
         <dependencies>
             <dependency>
                 <groupId>io.jenkins.tools.bom</groupId>
-                <artifactId>bom-2.289.x</artifactId>
-                <version>987.v4ade2e49fe70</version>
+                <artifactId>bom-2.426.x</artifactId>
+                <version>3105.v672692894683</version>
                 <type>pom</type>
                 <scope>import</scope>
             </dependency>
@@ -57,12 +55,12 @@
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>handy-uri-templates-2-api</artifactId>
-            <version>2.1.8-1.0</version>
+            <version>2.1.8-30.v7e777411b_148</version>
         </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
             <artifactId>authentication-tokens</artifactId>
-            <version>1.4</version>
+            <version>1.113.v81215a_241826</version>
         </dependency>
         <dependency>
             <groupId>org.jenkins-ci.plugins</groupId>
diff --git a/src/main/resources/index.jelly b/src/main/resources/index.jelly
new file mode 100644
index 0000000..6390ab2
--- /dev/null
+++ b/src/main/resources/index.jelly
@@ -0,0 +1,4 @@
+<?jelly escape-by-default='true'?>
+<div>
+    SCM API implementation for Gitea
+</div>