diff --git a/microbench/src/main/java/io/netty/microbench/util/AbstractMicrobenchmarkBase.java b/microbench/src/main/java/io/netty/microbench/util/AbstractMicrobenchmarkBase.java
index d16ba2d7c3..73e7af7d73 100644
--- a/microbench/src/main/java/io/netty/microbench/util/AbstractMicrobenchmarkBase.java
+++ b/microbench/src/main/java/io/netty/microbench/util/AbstractMicrobenchmarkBase.java
@@ -15,7 +15,6 @@
  */
 package io.netty.microbench.util;
 
-import static org.junit.Assert.assertNull;
 import io.netty.util.ResourceLeakDetector;
 import io.netty.util.internal.SystemPropertyUtil;
 
@@ -23,7 +22,7 @@ import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 import org.openjdk.jmh.annotations.Measurement;
 import org.openjdk.jmh.annotations.Scope;
 import org.openjdk.jmh.annotations.State;
@@ -33,6 +32,8 @@ import org.openjdk.jmh.runner.Runner;
 import org.openjdk.jmh.runner.options.ChainedOptionsBuilder;
 import org.openjdk.jmh.runner.options.OptionsBuilder;
 
+import static org.junit.jupiter.api.Assertions.assertNull;
+
 /**
  * Base class for all JMH benchmarks.
  */