diff --git a/.mvn/extensions.xml b/.mvn/extensions.xml
new file mode 100644
index 0000000..3fb584e
--- /dev/null
+++ b/.mvn/extensions.xml
@@ -0,0 +1,7 @@
+<extensions xmlns="http://maven.apache.org/EXTENSIONS/1.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/EXTENSIONS/1.0.0 http://maven.apache.org/xsd/core-extensions-1.0.0.xsd">
+    <extension>
+        <groupId>io.jenkins.tools.incrementals</groupId>
+        <artifactId>git-changelist-maven-extension</artifactId>
+        <version>1.4</version>
+    </extension>
+</extensions>
diff --git a/.mvn/maven.config b/.mvn/maven.config
new file mode 100644
index 0000000..023558b
--- /dev/null
+++ b/.mvn/maven.config
@@ -0,0 +1,2 @@
+-Pmight-produce-incrementals
+-Pconsume-incrementals
diff --git a/pom.xml b/pom.xml
index b651653..cd94eaa 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>1.532</version>
+    <version>4.76</version>
   </parent>
 
   <artifactId>git-userContent</artifactId>
@@ -15,7 +15,11 @@
   <description>
     This plugin manages JENKINS_HOME/userContent under Git
   </description>
-  <url>http://wiki.jenkins-ci.org/display/JENKINS/Git+userContent+Plugin</url>
+  <url>https://github.com/jenkinsci/git-userContent-plugin</url>
+
+  <properties>
+    <jenkins.version>2.361.4</jenkins.version>
+  </properties>
 
   <scm>
     <connection>scm:git:git://github.com/jenkinsci/${project.artifactId}-plugin.git</connection>
@@ -25,8 +29,7 @@
   <licenses>
     <license>
       <name>The MIT license</name>
-      <url>http://www.opensource.org/licenses/mit-license.php</url>
-      <distribution>repo</distribution>
+      <url>https://www.opensource.org/licenses/mit</url>
     </license>
   </licenses>
 
@@ -34,21 +37,26 @@
     <dependency>
       <groupId>org.jenkins-ci.modules</groupId>
       <artifactId>sshd</artifactId>
-      <version>1.1</version>
-      <scope>provided</scope><!-- this is in the core -->
+      <version>3.322.v159e91f6a_550</version>
     </dependency>
 
     <dependency>
       <groupId>org.jenkins-ci.plugins</groupId>
       <artifactId>git-server</artifactId>
-      <version>1.6</version>
+      <version>115.v132fd6e5777a_</version>
     </dependency>
   </dependencies>
 
   <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>
+  <pluginRepositories>
+    <pluginRepository>
+      <id>repo.jenkins-ci.org</id>
+      <url>https://repo.jenkins-ci.org/public/</url>
+    </pluginRepository>
+  </pluginRepositories>
 </project>
diff --git a/src/main/java/org/jenkinsci/plugins/gitUserContent/GitUserContentRepository.java b/src/main/java/org/jenkinsci/plugins/gitUserContent/GitUserContentRepository.java
index 99b47cc..f6f9cbe 100644
--- a/src/main/java/org/jenkinsci/plugins/gitUserContent/GitUserContentRepository.java
+++ b/src/main/java/org/jenkinsci/plugins/gitUserContent/GitUserContentRepository.java
@@ -1,13 +1,19 @@
 package org.jenkinsci.plugins.gitUserContent;
 
 import hudson.Extension;
-import hudson.model.RootAction;
+import hudson.model.UnprotectedRootAction;
+import hudson.security.ACL;
+import java.io.IOException;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletResponse;
 import jenkins.model.Jenkins;
 import org.jenkinsci.main.modules.sshd.SSHD;
 import org.jenkinsci.plugins.gitserver.FileBackedHttpGitRepository;
 
 import javax.inject.Inject;
 import java.io.File;
+import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerResponse;
 
 /**
  * Exposes Git repository at http://server/jenkins/userContent.git
@@ -15,7 +21,7 @@
  * @author Kohsuke Kawaguchi
  */
 @Extension
-public class GitUserContentRepository extends FileBackedHttpGitRepository implements RootAction {
+public class GitUserContentRepository extends FileBackedHttpGitRepository implements UnprotectedRootAction {
     @Inject
     public SSHD sshd;
 
@@ -39,4 +45,15 @@ public String getDisplayName() {
     public String getUrlName() {
         return "userContent.git";
     }
+
+    @Override
+    public void doDynamic(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
+        if (!Jenkins.get().hasPermission(Jenkins.READ) && ACL.isAnonymous2(Jenkins.getAuthentication2())) {
+            rsp.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
+            rsp.setHeader("WWW-Authenticate", "Basic realm=\"Jenkins user\"");
+            return;
+        }
+        Jenkins.get().checkPermission(Jenkins.READ);
+        super.doDynamic(req, rsp);
+    }
 }
diff --git a/src/main/resources/index.jelly b/src/main/resources/index.jelly
new file mode 100644
index 0000000..4aa5f83
--- /dev/null
+++ b/src/main/resources/index.jelly
@@ -0,0 +1,4 @@
+<?jelly escape-by-default='true'?>
+<div>
+    This plugin manages JENKINS_HOME/userContent under Git.
+</div>