diff --git a/pom.xml b/pom.xml
index 106d716..1659d59 100644
--- a/pom.xml
+++ b/pom.xml
@@ -101,6 +101,7 @@
     <!-- override plugins -->
     <taglist-maven-plugin.version>${project.version}</taglist-maven-plugin.version>
   </properties>
+
   <dependencyManagement>
     <dependencies>
       <dependency>
@@ -156,6 +157,16 @@
       <groupId>org.apache.maven.reporting</groupId>
       <artifactId>maven-reporting-impl</artifactId>
       <version>3.1.0</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.maven</groupId>
+          <artifactId>maven-core</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.apache.maven</groupId>
+          <artifactId>maven-plugin-api</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
 
     <!-- Doxia -->
@@ -164,6 +175,12 @@
       <artifactId>doxia-core</artifactId>
       <version>${doxiaVersion}</version>
       <scope>runtime</scope>
+      <exclusions>
+        <exclusion>
+          <groupId>org.codehaus.plexus</groupId>
+          <artifactId>plexus-container-default</artifactId>
+        </exclusion>
+      </exclusions>
     </dependency>
     <dependency>
       <groupId>org.apache.maven.doxia</groupId>
@@ -176,6 +193,27 @@
       <groupId>org.apache.maven.doxia</groupId>
       <artifactId>doxia-site-renderer</artifactId>
       <version>${doxia-sitetoolsVersion}</version>
+      <exclusions>
+        <exclusion>
+          <groupId>org.apache.maven</groupId>
+          <artifactId>maven-artifact</artifactId>
+        </exclusion>
+        <exclusion>
+          <groupId>org.codehaus.plexus</groupId>
+          <artifactId>plexus-container-default</artifactId>
+        </exclusion>
+      </exclusions>
+    </dependency>
+
+    <!-- others -->
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+      <version>3.14.0</version>
+    </dependency>
+    <dependency>
+      <groupId>org.codehaus.plexus</groupId>
+      <artifactId>plexus-utils</artifactId>
     </dependency>
 
     <!-- Test -->
@@ -201,11 +239,6 @@
         </exclusion>
       </exclusions>
     </dependency>
-    <dependency>
-      <groupId>org.eclipse.aether</groupId>
-      <artifactId>aether-api</artifactId>
-      <version>1.1.0</version>
-    </dependency>
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
@@ -307,16 +340,6 @@
         <groupId>org.apache.maven.plugins</groupId>
         <artifactId>maven-javadoc-plugin</artifactId>
       </plugin>
-      <!-- avoid recursive dep in CI build
-      <plugin>
-        <groupId>org.codehaus.mojo</groupId>
-        <artifactId>findbugs-maven-plugin</artifactId>
-        <version>1.2</version>
-        <configuration>
-          <threshold>Normal</threshold>
-        </configuration>
-      </plugin>
-      -->
       <plugin>
         <groupId>org.codehaus.mojo</groupId>
         <artifactId>taglist-maven-plugin</artifactId>
diff --git a/src/main/java/org/codehaus/mojo/taglist/FileAnalyser.java b/src/main/java/org/codehaus/mojo/taglist/FileAnalyser.java
index e5f3672..9d9c2d2 100644
--- a/src/main/java/org/codehaus/mojo/taglist/FileAnalyser.java
+++ b/src/main/java/org/codehaus/mojo/taglist/FileAnalyser.java
@@ -32,7 +32,7 @@
 import java.util.List;
 import java.util.Locale;
 
-import org.apache.commons.lang.StringUtils;
+import org.apache.commons.lang3.StringUtils;
 import org.apache.maven.plugin.logging.Log;
 import org.codehaus.mojo.taglist.beans.FileReport;
 import org.codehaus.mojo.taglist.beans.TagReport;
diff --git a/src/main/java/org/codehaus/mojo/taglist/TagListReport.java b/src/main/java/org/codehaus/mojo/taglist/TagListReport.java
index 211c8d0..4a3ee1b 100644
--- a/src/main/java/org/codehaus/mojo/taglist/TagListReport.java
+++ b/src/main/java/org/codehaus/mojo/taglist/TagListReport.java
@@ -38,7 +38,6 @@
 import org.apache.maven.project.MavenProject;
 import org.apache.maven.reporting.AbstractMavenReport;
 import org.apache.maven.reporting.MavenReportException;
-import org.apache.maven.shared.utils.io.FileUtils;
 import org.codehaus.mojo.taglist.beans.FileReport;
 import org.codehaus.mojo.taglist.beans.TagReport;
 import org.codehaus.mojo.taglist.options.Tag;
@@ -51,6 +50,7 @@
 import org.codehaus.mojo.taglist.tags.InvalidTagException;
 import org.codehaus.mojo.taglist.tags.TagClass;
 import org.codehaus.mojo.taglist.tags.TagFactory;
+import org.codehaus.plexus.util.FileUtils;
 import org.codehaus.plexus.util.PathTool;
 import org.codehaus.plexus.util.StringUtils;
 
diff --git a/src/test/java/org/codehaus/mojo/taglist/beans/FileReportTestCase.java b/src/test/java/org/codehaus/mojo/taglist/beans/FileReportTestCase.java
index a3ae548..d3fc0e6 100644
--- a/src/test/java/org/codehaus/mojo/taglist/beans/FileReportTestCase.java
+++ b/src/test/java/org/codehaus/mojo/taglist/beans/FileReportTestCase.java
@@ -21,16 +21,23 @@
 
 import java.io.File;
 
-import org.codehaus.plexus.PlexusTestCase;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
 
 /**
  * Tests for file report.
  *
  * @author Dennis Lundberg
  */
-public class FileReportTestCase extends PlexusTestCase {
-    public void testGetClassName() {
-        File file = new File(getBasedir() + "/src/test/resources/org/codehaus/mojo/taglist/beans/XYjavatest.java");
+class FileReportTestCase {
+
+    @Test
+    void testGetClassName() throws Exception {
+
+        File file = new File(getClass()
+                .getResource("/org/codehaus/mojo/taglist/beans/XYjavatest.java")
+                .toURI());
         FileReport fileReport = new FileReport(file, "UTF-8");
         assertEquals("org.codehaus.mojo.taglist.beans.XYjavatest", fileReport.getClassName());
     }