diff --git a/build.gradle b/build.gradle
index c41c593..00fff76 100644
--- a/build.gradle
+++ b/build.gradle
@@ -38,8 +38,6 @@ repositories {
 }
 
 dependencies {
-    testImplementation 'junit:junit:4.13.1'
-
     provided 'javax.servlet:javax.servlet-api:3.1.0'
 
     testCompile 'org.junit.jupiter:junit-jupiter:5.8.2'
diff --git a/src/test/java/biz/redsoft/sample/SampleTests.java b/src/test/java/biz/redsoft/sample/SampleTests.java
index 53866da..681fe80 100644
--- a/src/test/java/biz/redsoft/sample/SampleTests.java
+++ b/src/test/java/biz/redsoft/sample/SampleTests.java
@@ -6,8 +6,8 @@ import java.io.IOException;
 import java.util.Arrays;
 import java.util.Properties;
 
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Test;
 
 /**
  * @author Victor Bellavin
@@ -17,6 +17,6 @@ public class SampleTests {
   public void testProductName() throws IOException {
     final Properties props = new Properties(System.getProperties());
     Misc.loadProperties(props, Arrays.asList("ncore-properties.xml", "ncore-properties-local.xml"));
-    Assert.assertEquals(props.getProperty("product.name"), "sample");
+    Assertions.assertEquals(props.getProperty("product.name"), "sample");
   }
 }