diff --git a/pom.xml b/pom.xml
index 330dd95e..50fbeca8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -29,7 +29,7 @@
   <parent>
     <groupId>org.jenkins-ci.plugins</groupId>
     <artifactId>plugin</artifactId>
-    <version>4.88</version>
+    <version>5.3</version>
     <relativePath/>
   </parent>
 
@@ -69,8 +69,9 @@
     <changelist>999999-SNAPSHOT</changelist>
     <gitHubRepo>jenkinsci/${project.artifactId}-plugin</gitHubRepo>
     <!-- https://www.jenkins.io/doc/developer/plugin-development/choosing-jenkins-baseline/ -->
-    <jenkins.baseline>2.452</jenkins.baseline>
-    <jenkins.version>${jenkins.baseline}.4</jenkins.version>
+    <jenkins.baseline>2.479</jenkins.baseline>
+    <jenkins.version>${jenkins.baseline}.1</jenkins.version>
+
     <hpi.compatibleSinceVersion>2.0.0</hpi.compatibleSinceVersion>
     <no-test-jar>false</no-test-jar>
   </properties>
@@ -80,7 +81,7 @@
       <dependency>
         <groupId>io.jenkins.tools.bom</groupId>
         <artifactId>bom-${jenkins.baseline}.x</artifactId>
-        <version>3850.vb_c5319efa_e29</version>
+        <version>3893.v213a_42768d35</version>
         <type>pom</type>
         <scope>import</scope>
       </dependency>
diff --git a/src/main/java/jenkins/branch/BaseEmptyView.java b/src/main/java/jenkins/branch/BaseEmptyView.java
index c608b14d..55d8887e 100644
--- a/src/main/java/jenkins/branch/BaseEmptyView.java
+++ b/src/main/java/jenkins/branch/BaseEmptyView.java
@@ -9,9 +9,9 @@
 import java.io.IOException;
 import java.util.Collection;
 import java.util.Collections;
-import javax.servlet.ServletException;
-import org.kohsuke.stapler.StaplerRequest;
-import org.kohsuke.stapler.StaplerResponse;
+import jakarta.servlet.ServletException;
+import org.kohsuke.stapler.StaplerRequest2;
+import org.kohsuke.stapler.StaplerResponse2;
 
 /**
  * Holds the basic 'empty view' parent
@@ -100,14 +100,14 @@ public void onJobRenamed(Item item, String oldName, String newName) {
      * {@inheritDoc}
      */
     @Override
-    protected void submit(StaplerRequest req) throws IOException, ServletException, FormException {
+    protected void submit(StaplerRequest2 req) throws IOException, ServletException, FormException {
     }
 
     /**
      * {@inheritDoc}
      */
     @Override
-    public Item doCreateItem(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException {
+    public Item doCreateItem(StaplerRequest2 req, StaplerResponse2 rsp) throws IOException, ServletException {
         throw new UnsupportedOperationException();
     }
 }
diff --git a/src/main/java/jenkins/branch/MetadataActionFolderIcon.java b/src/main/java/jenkins/branch/MetadataActionFolderIcon.java
index 4819629e..8c920a73 100644
--- a/src/main/java/jenkins/branch/MetadataActionFolderIcon.java
+++ b/src/main/java/jenkins/branch/MetadataActionFolderIcon.java
@@ -127,7 +127,7 @@ public String getImageOf(String size) {
         String image = iconClassNameImageOf(size);
         return image != null
                 ? image
-                : (Stapler.getCurrentRequest().getContextPath() + Hudson.RESOURCE_PATH
+                : (Stapler.getCurrentRequest2().getContextPath() + Hudson.RESOURCE_PATH
                         + "/plugin/cloudbees-folder/images/" + size + "/folder.png");
     }
 
diff --git a/src/main/java/jenkins/branch/MultiBranchProject.java b/src/main/java/jenkins/branch/MultiBranchProject.java
index 7ce2fa64..a2a4f99a 100644
--- a/src/main/java/jenkins/branch/MultiBranchProject.java
+++ b/src/main/java/jenkins/branch/MultiBranchProject.java
@@ -85,7 +85,7 @@
 import java.util.logging.Level;
 import java.util.logging.LogRecord;
 import java.util.logging.Logger;
-import javax.servlet.ServletException;
+import jakarta.servlet.ServletException;
 import jenkins.model.Jenkins;
 import jenkins.model.ParameterizedJobMixIn;
 import jenkins.model.TransientActionFactory;
@@ -112,8 +112,8 @@
 import org.jenkins.ui.icon.IconSpec;
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;
-import org.kohsuke.stapler.StaplerRequest;
-import org.kohsuke.stapler.StaplerResponse;
+import org.kohsuke.stapler.StaplerRequest2;
+import org.kohsuke.stapler.StaplerResponse2;
 import org.kohsuke.stapler.export.Exported;
 import org.springframework.security.core.Authentication;
 
@@ -912,7 +912,7 @@ public synchronized BranchIndexing<P, R> getIndexing() {
      * {@inheritDoc}
      */
     @Override
-    protected void submit(StaplerRequest req, StaplerResponse rsp)
+    protected void submit(StaplerRequest2 req, StaplerResponse2 rsp)
         throws IOException, ServletException, Descriptor.FormException {
         super.submit(req, rsp);
         List<SCMSource> _sources = new ArrayList<>();
diff --git a/src/main/java/jenkins/branch/OrganizationFolder.java b/src/main/java/jenkins/branch/OrganizationFolder.java
index 9a90e02d..41228268 100644
--- a/src/main/java/jenkins/branch/OrganizationFolder.java
+++ b/src/main/java/jenkins/branch/OrganizationFolder.java
@@ -75,7 +75,7 @@
 import java.util.logging.Logger;
 import edu.umd.cs.findbugs.annotations.CheckForNull;
 import edu.umd.cs.findbugs.annotations.NonNull;
-import javax.servlet.ServletException;
+import jakarta.servlet.ServletException;
 import jenkins.model.Jenkins;
 import jenkins.model.TransientActionFactory;
 import jenkins.scm.api.SCMEvent;
@@ -102,8 +102,8 @@
 import org.jenkinsci.Symbol;
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;
-import org.kohsuke.stapler.StaplerRequest;
-import org.kohsuke.stapler.StaplerResponse;
+import org.kohsuke.stapler.StaplerRequest2;
+import org.kohsuke.stapler.StaplerResponse2;
 import org.springframework.security.core.Authentication;
 import org.springframework.security.access.AccessDeniedException;
 
@@ -377,7 +377,7 @@ public DescribableList<BranchBuildStrategy, BranchBuildStrategyDescriptor> getBu
      * {@inheritDoc}
      */
     @Override
-    protected void submit(StaplerRequest req, StaplerResponse rsp) throws IOException, ServletException, Descriptor.FormException {
+    protected void submit(StaplerRequest2 req, StaplerResponse2 rsp) throws IOException, ServletException, Descriptor.FormException {
         super.submit(req, rsp);
 
         JSONObject json = req.getSubmittedForm();
diff --git a/src/main/java/jenkins/branch/OverrideIndexTriggersJobProperty.java b/src/main/java/jenkins/branch/OverrideIndexTriggersJobProperty.java
index ed7e3637..8b688f80 100644
--- a/src/main/java/jenkins/branch/OverrideIndexTriggersJobProperty.java
+++ b/src/main/java/jenkins/branch/OverrideIndexTriggersJobProperty.java
@@ -38,7 +38,7 @@
 import org.kohsuke.accmod.Restricted;
 import org.kohsuke.accmod.restrictions.NoExternalUse;
 import org.kohsuke.stapler.DataBoundConstructor;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 import java.util.List;
 
@@ -73,7 +73,7 @@ public boolean isOwnerMultibranch(Item item) {
         }
 
         @Override
-        public JobProperty<?> newInstance(StaplerRequest req, JSONObject formData) throws FormException {
+        public JobProperty<?> newInstance(StaplerRequest2 req, JSONObject formData) throws FormException {
             return formData.optBoolean("specified") ? super.newInstance(req, formData) : null;
         }
     }
diff --git a/src/main/java/jenkins/branch/ProjectNameProperty.java b/src/main/java/jenkins/branch/ProjectNameProperty.java
index da96ea9a..fa3a09a3 100644
--- a/src/main/java/jenkins/branch/ProjectNameProperty.java
+++ b/src/main/java/jenkins/branch/ProjectNameProperty.java
@@ -34,7 +34,7 @@
 import jenkins.scm.api.SCMNavigator;
 import jenkins.scm.api.SCMSourceObserver;
 import net.sf.json.JSONObject;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 /**
  * Holds the unmangled project name provided to {@link SCMSourceObserver#observe(String)} and used to create a
@@ -62,7 +62,7 @@ public String getName() {
     }
 
     @Override
-    public AbstractFolderProperty<?> reconfigure(StaplerRequest req, JSONObject form) throws Descriptor.FormException {
+    public AbstractFolderProperty<?> reconfigure(StaplerRequest2 req, JSONObject form) throws Descriptor.FormException {
         return this;
     }
 
diff --git a/src/main/java/jenkins/branch/RateLimitBranchProperty.java b/src/main/java/jenkins/branch/RateLimitBranchProperty.java
index 1738e8b0..874ab3d9 100644
--- a/src/main/java/jenkins/branch/RateLimitBranchProperty.java
+++ b/src/main/java/jenkins/branch/RateLimitBranchProperty.java
@@ -49,7 +49,7 @@
 import org.jvnet.localizer.ResourceBundleHolder;
 import org.kohsuke.stapler.DataBoundConstructor;
 import org.kohsuke.stapler.QueryParameter;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 /**
  * A branch property that limits how often a specific branch can be built.
@@ -397,7 +397,7 @@ public long getMillisecondsBetweenBuilds() {
         public static class DescriptorImpl extends JobPropertyDescriptor {
 
             @Override
-            public JobProperty<?> newInstance(StaplerRequest req, JSONObject formData) throws FormException {
+            public JobProperty<?> newInstance(StaplerRequest2 req, JSONObject formData) throws FormException {
                 JobPropertyImpl prop = (JobPropertyImpl) super.newInstance(req, formData);
                 return prop.getThrottle() != null ? prop : null;
             }
diff --git a/src/test/java/integration/harness/MockHealthReportBuildStep.java b/src/test/java/integration/harness/MockHealthReportBuildStep.java
index 1dfb1190..f42f1a65 100644
--- a/src/test/java/integration/harness/MockHealthReportBuildStep.java
+++ b/src/test/java/integration/harness/MockHealthReportBuildStep.java
@@ -13,7 +13,7 @@
 import edu.umd.cs.findbugs.annotations.CheckForNull;
 import jenkins.util.NonLocalizable;
 import net.sf.json.JSONObject;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 
 public class MockHealthReportBuildStep extends hudson.tasks.Builder {
 
@@ -31,7 +31,7 @@ public static final class DescriptorImpl extends Descriptor<Builder> {
         public DescriptorImpl() {
         }
 
-        public Builder newInstance(StaplerRequest req, @NonNull JSONObject data) {
+        public Builder newInstance(StaplerRequest2 req, @NonNull JSONObject data) {
             throw new UnsupportedOperationException();
         }
     }