diff --git a/pom.xml b/pom.xml
index 6ff9336e..04a69681 100644
--- a/pom.xml
+++ b/pom.xml
@@ -168,7 +168,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>3.8.1</version>
+      <version>4.13.2</version>
       <scope>test</scope>
     </dependency>
     <dependency>
diff --git a/src/test/java/org/apache/log4j/xml/XMLDecoderTest.java b/src/test/java/org/apache/log4j/xml/XMLDecoderTest.java
index 54f1ff44..ea7dac50 100644
--- a/src/test/java/org/apache/log4j/xml/XMLDecoderTest.java
+++ b/src/test/java/org/apache/log4j/xml/XMLDecoderTest.java
@@ -25,21 +25,15 @@
 import java.util.Vector;
 import java.net.URL;
 import org.apache.log4j.chainsaw.logevents.ChainsawLoggingEvent;
+import org.junit.Test;
+
+import static junit.framework.TestCase.assertEquals;
 
 /**
  * Tests for XMLDecoder.
  *
  */
-public class XMLDecoderTest extends TestCase {
-
-
-  /**
-   * Constructor for XMLDecoderTest.
-   * @param arg0 test name.
-   */
-  public XMLDecoderTest(String arg0) {
-    super(arg0);
-  }
+public class XMLDecoderTest {
 
   public String getStringFromResource(final String resourceName,
                                       final int maxSize) throws Exception {
@@ -56,6 +50,7 @@ public String getStringFromResource(final String resourceName,
       return cb.toString();
   }
 
+    @Test
     public void testDecodeEventsString1() throws Exception {
         String xmlStr = getStringFromResource("xmlLayout.1.xml", 10000);
         XMLDecoder decoder = new XMLDecoder();
@@ -63,6 +58,7 @@ public void testDecodeEventsString1() throws Exception {
         assertEquals(17, events.size());
     }
 
+    @Test
   public void testDecodeEventsString2() throws Exception {
       String xmlStr = getStringFromResource("xsltLayout.1.xml", 10000);
       XMLDecoder decoder = new XMLDecoder();
@@ -70,6 +66,7 @@ public void testDecodeEventsString2() throws Exception {
       assertEquals(15, events.size());
   }
 
+    @Test
     public void testDecodeEventsURL1() throws Exception {
         URL resource = XMLDecoderTest.class.getResource("xmlLayout.1.xml");
         XMLDecoder decoder = new XMLDecoder();
@@ -77,11 +74,11 @@ public void testDecodeEventsURL1() throws Exception {
         assertEquals(17, events.size());
     }
 
+    @Test
     public void testDecodeEventsURL2() throws Exception {
         URL resource = XMLDecoderTest.class.getResource("xsltLayout.1.xml");
         XMLDecoder decoder = new XMLDecoder();
         Vector<ChainsawLoggingEvent> events = decoder.decode(resource);
         assertEquals(15, events.size());
     }
-
 }