diff --git a/Jenkinsfile b/Jenkinsfile
index d95c2fd..4d423e8 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -6,6 +6,6 @@ buildPlugin(
   forkCount: '1C', // Run a JVM per core in tests
   useContainerAgent: true, // Set to `false` if you need to use Docker for containerized tests
   configurations: [
-    [platform: 'linux', jdk: 11],
-    [platform: 'windows', jdk: 11],
+    [platform: 'linux', jdk: 21],
+    [platform: 'windows', jdk: 17],
 ])
diff --git a/pom.xml b/pom.xml
index bd3724c..88816ef 100644
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <groupId>org.jenkins-ci.plugins</groupId>
         <artifactId>plugin</artifactId>
-        <version>4.52</version>
+        <version>5.7</version>
         <relativePath />
     </parent>
 
@@ -13,7 +13,7 @@
         <changelist>999999-SNAPSHOT</changelist>
         <gitHubRepo>jenkinsci/date-parameter-plugin</gitHubRepo>
         <!-- Baseline Jenkins version you use to build the plugin. Users must have this version or newer to run. -->
-        <jenkins.version>2.361.4</jenkins.version>
+        <jenkins.version>2.479.3</jenkins.version>
         <!-- Other properties you may want to use:
              ~ java.level: set to 6 if your jenkins.version <= 1.611 ~ jenkins-test-harness.version: Jenkins Test Harness version you use to test the plugin. For Jenkins version >= 1.580.1 use JTH 2.0 or higher.
              ~ hpi-plugin.version: The HPI Maven Plugin version used by the plugin..
@@ -38,21 +38,12 @@
     </licenses>
 
     <scm>
-        <connection>scm:git:git://github.com/${gitHubRepo}.git</connection>
+        <connection>scm:git:https://github.com/${gitHubRepo}.git</connection>
         <developerConnection>scm:git:git@github.com:${gitHubRepo}.git</developerConnection>
         <url>https://github.com/${gitHubRepo}</url>
       <tag>${scmTag}</tag>
   </scm>
 
-    <developers>
-        <developer>
-            <id>leejaycoke</id>
-            <name>JuHyun Lee</name>
-            <email>leejaycoke@gmail.com</email>
-            <timezone>+9</timezone>
-        </developer>
-    </developers>
-
     <repositories>
         <repository>
             <id>repo.jenkins-ci.org</id>
diff --git a/src/main/java/me/leejay/jenkins/dateparameter/DateParameterDefinition.java b/src/main/java/me/leejay/jenkins/dateparameter/DateParameterDefinition.java
index 53cbb9e..bbfa873 100644
--- a/src/main/java/me/leejay/jenkins/dateparameter/DateParameterDefinition.java
+++ b/src/main/java/me/leejay/jenkins/dateparameter/DateParameterDefinition.java
@@ -1,5 +1,7 @@
 package me.leejay.jenkins.dateparameter;
 
+import static org.apache.commons.lang.StringUtils.isEmpty;
+
 import hudson.Extension;
 import hudson.model.ParameterDefinition;
 import hudson.model.ParameterValue;
@@ -7,20 +9,18 @@
 import net.sf.json.JSONObject;
 import org.kohsuke.stapler.DataBoundConstructor;
 import org.kohsuke.stapler.QueryParameter;
-import org.kohsuke.stapler.StaplerRequest;
+import org.kohsuke.stapler.StaplerRequest2;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static org.apache.commons.lang.StringUtils.isEmpty;
-
 /**
  * Created by JuHyunLee on 2017. 5. 23..
  */
 public class DateParameterDefinition extends ParameterDefinition {
 
-    private final static Logger log = LoggerFactory.getLogger(DateParameterDefinition.class);
+    private static final Logger log = LoggerFactory.getLogger(DateParameterDefinition.class);
 
-    private final static long serialVersionUID = 776445397055325795L;
+    private static final long serialVersionUID = 776445397055325795L;
 
     private final StringLocalDateValue stringLocalDateValue;
 
@@ -69,14 +69,14 @@ public DateParameterValue getDefaultParameterValue() {
     }
 
     @Override
-    public ParameterValue createValue(StaplerRequest req, JSONObject jo) {
+    public ParameterValue createValue(StaplerRequest2 req, JSONObject jo) {
         DateParameterValue value = req.bindJSON(DateParameterValue.class, jo);
         value.createValueFromJenkins(getDateFormat());
         return value;
     }
 
     @Override
-    public ParameterValue createValue(StaplerRequest staplerRequest) {
+    public ParameterValue createValue(StaplerRequest2 staplerRequest) {
         String requestedValue = staplerRequest.getParameter(getName());
         if (isEmpty(requestedValue)) {
             return getDefaultParameterValue();
@@ -90,7 +90,7 @@ public ParameterValue createValue(StaplerRequest staplerRequest) {
     @Extension
     public static final class DescriptorImpl extends ParameterDescriptor {
 
-        private final static String DISPLAY_NAME = "Date Parameter";
+        private static final String DISPLAY_NAME = "Date Parameter";
 
         @Override
         public String getDisplayName() {
@@ -111,7 +111,8 @@ public FormValidation doCheckDateFormat(@QueryParameter String dateFormat) {
             return FormValidation.ok();
         }
 
-        public FormValidation doCheckDefaultValue(@QueryParameter String dateFormat, @QueryParameter String defaultValue) {
+        public FormValidation doCheckDefaultValue(
+                @QueryParameter String dateFormat, @QueryParameter String defaultValue) {
             StringLocalDateValue value = new StringLocalDateValue(defaultValue, dateFormat);
             if (value.isCompletionFormat()) {
                 return FormValidation.ok();
@@ -124,5 +125,4 @@ public FormValidation doCheckDefaultValue(@QueryParameter String dateFormat, @Qu
             return FormValidation.error("Invalid default value");
         }
     }
-
 }
diff --git a/src/main/java/me/leejay/jenkins/dateparameter/DateParameterValue.java b/src/main/java/me/leejay/jenkins/dateparameter/DateParameterValue.java
index a5137ed..988cebb 100644
--- a/src/main/java/me/leejay/jenkins/dateparameter/DateParameterValue.java
+++ b/src/main/java/me/leejay/jenkins/dateparameter/DateParameterValue.java
@@ -9,18 +9,17 @@
 import hudson.model.StringParameterValue;
 import hudson.tasks.BuildWrapper;
 import hudson.util.VariableResolver;
-import org.apache.commons.lang.StringUtils;
-import org.kohsuke.stapler.DataBoundConstructor;
-
 import java.io.IOException;
 import java.util.Objects;
+import org.apache.commons.lang.StringUtils;
+import org.kohsuke.stapler.DataBoundConstructor;
 
 /**
  * Created by JuHyunLee on 2017. 5. 23..
  */
 public class DateParameterValue extends StringParameterValue {
 
-    private final static long serialVersionUID = -3270996447541190520L;
+    private static final long serialVersionUID = -3270996447541190520L;
 
     private String dateFormat;
 
@@ -80,8 +79,10 @@ public BuildWrapper createBuildWrapper(AbstractBuild<?, ?> build) {
         if (!value.isCompletionFormat()) {
             return new BuildWrapper() {
                 @Override
-                public Environment setUp(AbstractBuild build, Launcher launcher, BuildListener listener) throws IOException, InterruptedException {
-                    throw new AbortException("Can't parse date format '" + getValue() + "' with '" + getDateFormat() + "'");
+                public Environment setUp(AbstractBuild build, Launcher launcher, BuildListener listener)
+                        throws IOException, InterruptedException {
+                    throw new AbortException(
+                            "Can't parse date format '" + getValue() + "' with '" + getDateFormat() + "'");
                 }
             };
         }
diff --git a/src/main/java/me/leejay/jenkins/dateparameter/IntegerParamMethod.java b/src/main/java/me/leejay/jenkins/dateparameter/IntegerParamMethod.java
index 3743001..efa5147 100644
--- a/src/main/java/me/leejay/jenkins/dateparameter/IntegerParamMethod.java
+++ b/src/main/java/me/leejay/jenkins/dateparameter/IntegerParamMethod.java
@@ -1,24 +1,18 @@
 package me.leejay.jenkins.dateparameter;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
-/**
- * Created by JuHyunLee on 2017. 6. 2..
- */
 public class IntegerParamMethod {
 
     private final Logger log = LoggerFactory.getLogger(this.getClass());
 
-    private final static Pattern PATTERN = Pattern.compile("^(?<name>.+)\\((?<parameter>[0-9]+)\\);?$");
-
-    public String name;
-
-    public Integer parameter;
+    private static final Pattern PATTERN = Pattern.compile("^(?<name>.+)\\((?<parameter>[0-9]+)\\);?$");
 
+    private String name;
+    private Integer parameter;
     private String code;
 
     public IntegerParamMethod(String code) {
@@ -42,5 +36,4 @@ public String getName() {
     public Integer getParameter() {
         return parameter;
     }
-
 }
diff --git a/src/main/java/me/leejay/jenkins/dateparameter/StringLocalDateValue.java b/src/main/java/me/leejay/jenkins/dateparameter/StringLocalDateValue.java
index 0ee41f0..70d2103 100644
--- a/src/main/java/me/leejay/jenkins/dateparameter/StringLocalDateValue.java
+++ b/src/main/java/me/leejay/jenkins/dateparameter/StringLocalDateValue.java
@@ -1,16 +1,15 @@
 package me.leejay.jenkins.dateparameter;
 
-import org.joda.time.LocalDateTime;
-import org.joda.time.format.DateTimeFormat;
-import org.joda.time.format.DateTimeFormatter;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
 import java.io.Serializable;
 import java.lang.reflect.InvocationTargetException;
 import java.lang.reflect.Method;
 import java.util.Arrays;
 import java.util.List;
+import org.joda.time.LocalDateTime;
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * Created by JuHyunLee on 2017. 6. 2..
@@ -21,7 +20,8 @@ public class StringLocalDateValue implements Serializable {
 
     private static final long serialVersionUID = 8295455815421939737L;
 
-    private static final String JAVA_PATTERN = "^LocalDate(Time)?\\.now\\(\\)(\\.(plus|minus)(Seconds|Minutes|Hours|Days|Months|Years)\\([0-9]+\\))*;?$";
+    private static final String JAVA_PATTERN =
+            "^LocalDate(Time)?\\.now\\(\\)(\\.(plus|minus)(Seconds|Minutes|Hours|Days|Months|Years)\\([0-9]+\\))*;?$";
 
     private final String stringLocalDate;
 
@@ -96,5 +96,4 @@ String getValue() {
 
         return "";
     }
-
 }