diff --git a/maven-plugin-testing-harness/pom.xml b/maven-plugin-testing-harness/pom.xml
index 3d9a9b40..5ddc46d2 100644
--- a/maven-plugin-testing-harness/pom.xml
+++ b/maven-plugin-testing-harness/pom.xml
@@ -31,21 +31,10 @@ under the License.
   <description>The Maven Plugin Testing Harness provides mechanisms to manage tests on Mojo.</description>
 
   <properties>
+    <versions.junit5>5.13.0</versions.junit5>
     <wagonVersion>3.5.3</wagonVersion>
   </properties>
 
-  <dependencyManagement>
-    <dependencies>
-      <dependency>
-        <groupId>org.junit</groupId>
-        <artifactId>junit-bom</artifactId>
-        <version>5.13.0</version>
-        <type>pom</type>
-        <scope>import</scope>
-      </dependency>
-    </dependencies>
-  </dependencyManagement>
-
   <dependencies>
     <!-- maven -->
     <dependency>
diff --git a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojo.java b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojo.java
index 77e52d9c..438b46f4 100644
--- a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojo.java
+++ b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojo.java
@@ -19,20 +19,51 @@
 package org.apache.maven.plugin.testing;
 
 import org.apache.maven.plugin.AbstractMojo;
-import org.apache.maven.plugin.MojoExecutionException;
-import org.apache.maven.plugin.MojoFailureException;
 
 public class ParametersMojo extends AbstractMojo {
-    public String plain;
 
-    public String withProperty;
+    private String plain;
 
-    public String withDefault;
+    private String withProperty;
 
-    public String withPropertyAndDefault;
+    private String withDefault;
+
+    private String withPropertyAndDefault;
 
     @Override
-    public void execute() throws MojoExecutionException, MojoFailureException {
+    public void execute() {
         getLog().info("Plain value = " + plain);
     }
+
+    public String getPlain() {
+        return plain;
+    }
+
+    public void setPlain(String plain) {
+        this.plain = plain;
+    }
+
+    public String getWithProperty() {
+        return withProperty;
+    }
+
+    public void setWithProperty(String withProperty) {
+        this.withProperty = withProperty;
+    }
+
+    public String getWithDefault() {
+        return withDefault;
+    }
+
+    public void setWithDefault(String withDefault) {
+        this.withDefault = withDefault;
+    }
+
+    public String getWithPropertyAndDefault() {
+        return withPropertyAndDefault;
+    }
+
+    public void setWithPropertyAndDefault(String withPropertyAndDefault) {
+        this.withPropertyAndDefault = withPropertyAndDefault;
+    }
 }
diff --git a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojoTest.java b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojoTest.java
index ce7869c0..90cb4df9 100644
--- a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojoTest.java
+++ b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/ParametersMojoTest.java
@@ -36,10 +36,10 @@ public void testDefault() throws Exception {
 
         ParametersMojo mojo = (ParametersMojo) lookupConfiguredMojo(project, "parameters");
 
-        assertNull(mojo.plain);
-        assertNull(mojo.withProperty);
-        assertEquals("default", mojo.withDefault);
-        assertEquals("default", mojo.withPropertyAndDefault);
+        assertNull(mojo.getPlain());
+        assertNull(mojo.getWithProperty());
+        assertEquals("default", mojo.getWithDefault());
+        assertEquals("default", mojo.getWithPropertyAndDefault());
     }
 
     public void testExplicit() throws Exception {
@@ -47,10 +47,10 @@ public void testExplicit() throws Exception {
 
         ParametersMojo mojo = (ParametersMojo) lookupConfiguredMojo(project, "parameters");
 
-        assertEquals("explicitValue", mojo.plain);
-        assertEquals("explicitWithPropertyValue", mojo.withProperty);
-        assertEquals("explicitWithDefaultValue", mojo.withDefault);
-        assertEquals("explicitWithPropertyAndDefaultValue", mojo.withPropertyAndDefault);
+        assertEquals("explicitValue", mojo.getPlain());
+        assertEquals("explicitWithPropertyValue", mojo.getWithProperty());
+        assertEquals("explicitWithDefaultValue", mojo.getWithDefault());
+        assertEquals("explicitWithPropertyAndDefaultValue", mojo.getWithPropertyAndDefault());
     }
 
     public void testDefaultWithProperty() throws Exception {
@@ -61,10 +61,10 @@ public void testDefaultWithProperty() throws Exception {
         session.getUserProperties().put("property", "propertyValue");
         ParametersMojo mojo = (ParametersMojo) lookupConfiguredMojo(session, execution);
 
-        assertNull(mojo.plain);
-        assertEquals("propertyValue", mojo.withProperty);
-        assertEquals("default", mojo.withDefault);
-        assertEquals("propertyValue", mojo.withPropertyAndDefault);
+        assertNull(mojo.getPlain());
+        assertEquals("propertyValue", mojo.getWithProperty());
+        assertEquals("default", mojo.getWithDefault());
+        assertEquals("propertyValue", mojo.getWithPropertyAndDefault());
     }
 
     public void testExplicitWithProperty() throws Exception {
@@ -75,10 +75,10 @@ public void testExplicitWithProperty() throws Exception {
         session.getUserProperties().put("property", "propertyValue");
         ParametersMojo mojo = (ParametersMojo) lookupConfiguredMojo(session, execution);
 
-        assertEquals("explicitValue", mojo.plain);
-        assertEquals("explicitWithPropertyValue", mojo.withProperty);
-        assertEquals("explicitWithDefaultValue", mojo.withDefault);
-        assertEquals("explicitWithPropertyAndDefaultValue", mojo.withPropertyAndDefault);
+        assertEquals("explicitValue", mojo.getPlain());
+        assertEquals("explicitWithPropertyValue", mojo.getWithProperty());
+        assertEquals("explicitWithDefaultValue", mojo.getWithDefault());
+        assertEquals("explicitWithPropertyAndDefaultValue", mojo.getWithPropertyAndDefault());
     }
 
     protected MavenProject readMavenProject(File basedir) throws ProjectBuildingException, Exception {
diff --git a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/junit5/Junit5Test.java b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/junit5/Junit5Test.java
index 9da00360..caab8f41 100644
--- a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/junit5/Junit5Test.java
+++ b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/junit5/Junit5Test.java
@@ -56,8 +56,8 @@ void simpleMojo(ParametersMojo mojo) {
     @MojoParameter(name = "plain", value = "plainValue")
     @MojoParameter(name = "withDefault", value = "withDefaultValue")
     void simpleMojoWithParameters(ParametersMojo mojo) {
-        assertEquals("plainValue", mojo.plain);
-        assertEquals("withDefaultValue", mojo.withDefault);
+        assertEquals("plainValue", mojo.getPlain());
+        assertEquals("withDefaultValue", mojo.getWithDefault());
         assertDoesNotThrow(mojo::execute);
     }
 
@@ -65,7 +65,7 @@ void simpleMojoWithParameters(ParametersMojo mojo) {
     @InjectMojo(goal = "test:test-plugin:0.0.1-SNAPSHOT:parameters", pom = POM)
     @MojoParameter(name = "plain", value = "plainValue")
     void simpleMojoWithParameter(ParametersMojo mojo) {
-        assertEquals("plainValue", mojo.plain);
+        assertEquals("plainValue", mojo.getPlain());
         assertDoesNotThrow(mojo::execute);
     }
 }
diff --git a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/resources/TestResourcesTest.java b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/resources/TestResourcesTest.java
index 8ce1ecbf..98637630 100644
--- a/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/resources/TestResourcesTest.java
+++ b/maven-plugin-testing-harness/src/test/java/org/apache/maven/plugin/testing/resources/TestResourcesTest.java
@@ -21,7 +21,8 @@
 import org.junit.Test;
 
 public class TestResourcesTest {
-    public TestResources resources = new TestResources();
+
+    private final TestResources resources = new TestResources();
 
     @Test(expected = IllegalStateException.class)
     public void testNoRuleAnnotation() throws Exception {
diff --git a/pom.xml b/pom.xml
index 14a9a9d9..6a4bfcab 100644
--- a/pom.xml
+++ b/pom.xml
@@ -23,7 +23,7 @@ under the License.
   <parent>
     <groupId>org.apache.maven</groupId>
     <artifactId>maven-parent</artifactId>
-    <version>43</version>
+    <version>44</version>
     <relativePath />
   </parent>
 
@@ -49,8 +49,8 @@ under the License.
     <url>https://github.com/apache/maven-plugin-testing/tree/${project.scm.tag}</url>
   </scm>
   <issueManagement>
-    <system>jira</system>
-    <url>https://issues.apache.org/jira/browse/MPLUGINTESTING</url>
+    <system>GitHub</system>
+    <url>https://github.com/apache/maven-plugin-testing/issues</url>
   </issueManagement>
   <ciManagement>
     <system>Jenkins</system>