diff --git a/config/checkstyle/checkstyle-suppressions.xml b/config/checkstyle/checkstyle-suppressions.xml
index d725f42f00..195bc4a363 100644
--- a/config/checkstyle/checkstyle-suppressions.xml
+++ b/config/checkstyle/checkstyle-suppressions.xml
@@ -8,8 +8,6 @@
 	<suppress files="implementations[\\/].+" id="SLF4JIllegalImportCheck" />
 	<suppress files="samples[\\/].+" checks="IllegalImport" />
 	<suppress files="test[\\/]java[\\/]io[\\/]micrometer[\\/]jersey.+" checks="IllegalImport" />
-	<suppress files="test[\\/]java[\\/]io[\\/]micrometer[\\/]core[\\/]instrument[\\/]binder[\\/]jersey[\\/]server.+" checks="(IllegalImport|SpringJUnit5)" />
+	<suppress files="test[\\/]java[\\/]io[\\/]micrometer[\\/]core[\\/]instrument[\\/]binder[\\/]jersey[\\/]server.+" checks="(IllegalImport)" />
 	<suppress files="LogbackMetricsAutoConfiguration" checks="IllegalImport" />
-	<suppress files="io[\\/]micrometer[\\/]jersey2[\\/]server[\\/].+" checks="SpringJUnit5" />
-	<suppress files="io[\\/]micrometer[\\/]samples[\\/]jersey3[\\/].+" checks="SpringJUnit5" />
 </suppressions>
diff --git a/dependencies.gradle b/dependencies.gradle
index ca06ed6ea8..db7f510edb 100644
--- a/dependencies.gradle
+++ b/dependencies.gradle
@@ -41,7 +41,6 @@ def VERSIONS = [
         'javax.cache:cache-api:latest.release',
         'javax.inject:javax.inject:1',
         'javax.xml.bind:jaxb-api:2.3.+',
-        'junit:junit:4.12',
         'net.sf.ehcache:ehcache:latest.release',
         'org.apache.httpcomponents:httpasyncclient:latest.release',
         'org.apache.httpcomponents:httpclient:latest.release',
@@ -65,7 +64,6 @@ def VERSIONS = [
         'org.jsr107.ri:cache-ri-impl:1.0.0',
         'org.junit.jupiter:junit-jupiter:5.8.+',
         'org.junit.platform:junit-platform-launcher:1.8.+',
-        'org.junit.vintage:junit-vintage-engine:5.8.+',
         'org.latencyutils:LatencyUtils:latest.release',
         'org.mockito:mockito-core:latest.release',
         'org.mockito:mockito-inline:latest.release',
diff --git a/micrometer-core/build.gradle b/micrometer-core/build.gradle
index 8538e7a2c8..643ca983e0 100644
--- a/micrometer-core/build.gradle
+++ b/micrometer-core/build.gradle
@@ -58,9 +58,6 @@ dependencies {
 
     // JUnit 5
     testImplementation 'org.junit.jupiter:junit-jupiter'
-    // See https://github.com/eclipse-ee4j/jersey/issues/3662
-    testImplementation 'junit:junit'
-    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine'
     testImplementation 'com.tngtech.archunit:archunit-junit5'
 
     // Eclipse still needs this (as of 4.7.1a)
diff --git a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/DefaultJerseyTagsProviderTest.java b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/DefaultJerseyTagsProviderTest.java
index 2339224144..d5071949dc 100644
--- a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/DefaultJerseyTagsProviderTest.java
+++ b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/DefaultJerseyTagsProviderTest.java
@@ -24,7 +24,7 @@
 import org.glassfish.jersey.server.monitoring.RequestEvent;
 import org.glassfish.jersey.server.monitoring.RequestEvent.Type;
 import org.glassfish.jersey.uri.UriTemplate;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.NotAcceptableException;
 import java.net.URI;
@@ -44,36 +44,36 @@
  * @author Michael Weirauch
  * @author Johnny Lim
  */
-public class DefaultJerseyTagsProviderTest {
+class DefaultJerseyTagsProviderTest {
 
     private final DefaultJerseyTagsProvider tagsProvider = new DefaultJerseyTagsProvider();
 
     @Test
-    public void testRootPath() {
+    void testRootPath() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/", (String[]) null)))
             .containsExactlyInAnyOrder(tagsFrom("root", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void templatedPathsAreReturned() {
+    void templatedPathsAreReturned() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/", "/", "/hello/{name}")))
             .containsExactlyInAnyOrder(tagsFrom("/hello/{name}", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void applicationPathIsPresent() {
+    void applicationPathIsPresent() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/app", "/", "/hello")))
             .containsExactlyInAnyOrder(tagsFrom("/app/hello", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void notFoundsAreShunted() {
+    void notFoundsAreShunted() {
         assertThat(tagsProvider.httpRequestTags(event(404, null, "/app", "/", "/not-found")))
             .containsExactlyInAnyOrder(tagsFrom("NOT_FOUND", 404, null, "CLIENT_ERROR"));
     }
 
     @Test
-    public void redirectsAreShunted() {
+    void redirectsAreShunted() {
         assertThat(tagsProvider.httpRequestTags(event(301, null, "/app", "/", "/redirect301")))
             .containsExactlyInAnyOrder(tagsFrom("REDIRECTION", 301, null, "REDIRECTION"));
         assertThat(tagsProvider.httpRequestTags(event(302, null, "/app", "/", "/redirect302")))
@@ -84,7 +84,7 @@ public void redirectsAreShunted() {
 
     @Test
     @SuppressWarnings("serial")
-    public void exceptionsAreMappedCorrectly() {
+    void exceptionsAreMappedCorrectly() {
         assertThat(tagsProvider.httpRequestTags(
             event(500, new IllegalArgumentException(), "/app", (String[]) null)))
             .containsExactlyInAnyOrder(tagsFrom("/app", 500, "IllegalArgumentException", "SERVER_ERROR"));
@@ -100,7 +100,7 @@ public void exceptionsAreMappedCorrectly() {
     }
 
     @Test
-    public void longRequestTags() {
+    void longRequestTags() {
         assertThat(tagsProvider.httpLongRequestTags(event(0, null, "/app", (String[]) null)))
             .containsExactlyInAnyOrder(Tag.of("method", "GET"), Tag.of("uri", "/app"));
     }
diff --git a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTest.java b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTest.java
index 8ecfb165aa..6d72f11952 100644
--- a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTest.java
+++ b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTest.java
@@ -23,7 +23,7 @@
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.NotFoundException;
 import javax.ws.rs.core.Application;
@@ -38,7 +38,7 @@
  * @author Michael Weirauch
  * @author Johnny Lim
  */
-public class MetricsRequestEventListenerTest extends JerseyTest {
+class MetricsRequestEventListenerTest extends JerseyTest {
 
     static {
         Logger.getLogger("org.glassfish.jersey").setLevel(Level.OFF);
@@ -64,7 +64,7 @@ protected Application configure() {
     }
 
     @Test
-    public void resourcesAreTimed() {
+    void resourcesAreTimed() {
         target("/").request().get();
         target("hello").request().get();
         target("hello/").request().get();
@@ -92,7 +92,7 @@ public void resourcesAreTimed() {
     }
 
     @Test
-    public void notFoundIsAccumulatedUnderSameUri() {
+    void notFoundIsAccumulatedUnderSameUri() {
         try {
             target("not-found").request().get();
         } catch (NotFoundException ignored) {
@@ -104,7 +104,7 @@ public void notFoundIsAccumulatedUnderSameUri() {
     }
 
     @Test
-    public void notFoundIsReportedWithUriOfMatchedResource() {
+    void notFoundIsReportedWithUriOfMatchedResource() {
         try {
             target("throws-not-found-exception").request().get();
         } catch (NotFoundException ignored) {
@@ -116,7 +116,7 @@ public void notFoundIsReportedWithUriOfMatchedResource() {
     }
 
     @Test
-    public void redirectsAreAccumulatedUnderSameUri() {
+    void redirectsAreAccumulatedUnderSameUri() {
         target("redirect/302").request().get();
         target("redirect/307").request().get();
 
@@ -130,7 +130,7 @@ public void redirectsAreAccumulatedUnderSameUri() {
     }
 
     @Test
-    public void exceptionsAreMappedCorrectly() {
+    void exceptionsAreMappedCorrectly() {
         try {
             target("throws-exception").request().get();
         } catch (Exception ignored) {
diff --git a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTimedTest.java b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTimedTest.java
index e215eb531b..5474d0a309 100644
--- a/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTimedTest.java
+++ b/micrometer-core/src/test/java/io/micrometer/core/instrument/binder/jersey/server/MetricsRequestEventListenerTimedTest.java
@@ -23,7 +23,7 @@
 import io.micrometer.core.instrument.simple.SimpleMeterRegistry;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.ProcessingException;
 import javax.ws.rs.core.Application;
@@ -40,7 +40,7 @@
 /**
  * @author Michael Weirauch
  */
-public class MetricsRequestEventListenerTimedTest extends JerseyTest {
+class MetricsRequestEventListenerTimedTest extends JerseyTest {
 
     static {
         Logger.getLogger("org.glassfish.jersey").setLevel(Level.OFF);
@@ -73,7 +73,7 @@ protected Application configure() {
     }
 
     @Test
-    public void resourcesAndNotFoundsAreNotAutoTimed() {
+    void resourcesAndNotFoundsAreNotAutoTimed() {
         target("not-timed").request().get();
         target("not-found").request().get();
 
@@ -85,7 +85,7 @@ public void resourcesAndNotFoundsAreNotAutoTimed() {
     }
 
     @Test
-    public void resourcesWithAnnotationAreTimed() {
+    void resourcesWithAnnotationAreTimed() {
         target("timed").request().get();
         target("multi-timed").request().get();
 
@@ -103,7 +103,7 @@ public void resourcesWithAnnotationAreTimed() {
     }
 
     @Test
-    public void longTaskTimerSupported() throws InterruptedException, ExecutionException {
+    void longTaskTimerSupported() throws InterruptedException, ExecutionException {
         final Future<Response> future = target("long-timed").request().async().get();
 
         /*
@@ -136,14 +136,14 @@ public void longTaskTimerSupported() throws InterruptedException, ExecutionExcep
     }
 
     @Test
-    public void unnamedLongTaskTimerIsNotSupported() {
+    void unnamedLongTaskTimerIsNotSupported() {
         assertThatExceptionOfType(ProcessingException.class)
             .isThrownBy(() -> target("long-timed-unnamed").request().get())
             .withCauseInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
-    public void classLevelAnnotationIsInherited() {
+    void classLevelAnnotationIsInherited() {
         target("/class/inherited").request().get();
 
         assertThat(registry.get(METRIC_NAME)
@@ -154,7 +154,7 @@ public void classLevelAnnotationIsInherited() {
     }
 
     @Test
-    public void methodLevelAnnotationOverridesClassLevel() {
+    void methodLevelAnnotationOverridesClassLevel() {
         target("/class/on-method").request().get();
 
         assertThat(registry.get(METRIC_NAME)
diff --git a/micrometer-jersey2/build.gradle b/micrometer-jersey2/build.gradle
index 7b00d1b0c7..0da0b73dc8 100644
--- a/micrometer-jersey2/build.gradle
+++ b/micrometer-jersey2/build.gradle
@@ -4,15 +4,9 @@ dependencies {
     api 'org.glassfish.jersey.core:jersey-server'
     testRuntimeOnly 'org.glassfish.jersey.inject:jersey-hk2'
 
+    testImplementation project(':micrometer-test')
     testImplementation 'org.glassfish.jersey.test-framework.providers:jersey-test-framework-provider-inmemory'
 
     // required by jdk 9
     testRuntimeOnly 'javax.xml.bind:jaxb-api'
-
-    testImplementation 'org.assertj:assertj-core'
-
-    // See https://github.com/eclipse-ee4j/jersey/issues/3662
-    testImplementation 'junit:junit'
-    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine'
-    testImplementation 'org.mockito:mockito-core'
 }
diff --git a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/DefaultJerseyTagsProviderTest.java b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/DefaultJerseyTagsProviderTest.java
index c4228a07b8..c024ed01c5 100644
--- a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/DefaultJerseyTagsProviderTest.java
+++ b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/DefaultJerseyTagsProviderTest.java
@@ -25,7 +25,7 @@
 import org.glassfish.jersey.server.monitoring.RequestEvent;
 import org.glassfish.jersey.server.monitoring.RequestEvent.Type;
 import org.glassfish.jersey.uri.UriTemplate;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.NotAcceptableException;
 import java.net.URI;
@@ -45,36 +45,36 @@
  * @author Michael Weirauch
  * @author Johnny Lim
  */
-public class DefaultJerseyTagsProviderTest {
+class DefaultJerseyTagsProviderTest {
 
     private final DefaultJerseyTagsProvider tagsProvider = new DefaultJerseyTagsProvider();
 
     @Test
-    public void testRootPath() {
+    void testRootPath() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/", (String[]) null)))
             .containsExactlyInAnyOrder(tagsFrom("root", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void templatedPathsAreReturned() {
+    void templatedPathsAreReturned() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/", "/", "/hello/{name}")))
             .containsExactlyInAnyOrder(tagsFrom("/hello/{name}", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void applicationPathIsPresent() {
+    void applicationPathIsPresent() {
         assertThat(tagsProvider.httpRequestTags(event(200, null, "/app", "/", "/hello")))
             .containsExactlyInAnyOrder(tagsFrom("/app/hello", 200, null, "SUCCESS"));
     }
 
     @Test
-    public void notFoundsAreShunted() {
+    void notFoundsAreShunted() {
         assertThat(tagsProvider.httpRequestTags(event(404, null, "/app", "/", "/not-found")))
             .containsExactlyInAnyOrder(tagsFrom("NOT_FOUND", 404, null, "CLIENT_ERROR"));
     }
 
     @Test
-    public void redirectsAreShunted() {
+    void redirectsAreShunted() {
         assertThat(tagsProvider.httpRequestTags(event(301, null, "/app", "/", "/redirect301")))
             .containsExactlyInAnyOrder(tagsFrom("REDIRECTION", 301, null, "REDIRECTION"));
         assertThat(tagsProvider.httpRequestTags(event(302, null, "/app", "/", "/redirect302")))
@@ -85,7 +85,7 @@ public void redirectsAreShunted() {
 
     @Test
     @SuppressWarnings("serial")
-    public void exceptionsAreMappedCorrectly() {
+    void exceptionsAreMappedCorrectly() {
         assertThat(tagsProvider.httpRequestTags(
             event(500, new IllegalArgumentException(), "/app", (String[]) null)))
             .containsExactlyInAnyOrder(tagsFrom("/app", 500, "IllegalArgumentException", "SERVER_ERROR"));
@@ -101,7 +101,7 @@ public void exceptionsAreMappedCorrectly() {
     }
 
     @Test
-    public void longRequestTags() {
+    void longRequestTags() {
         assertThat(tagsProvider.httpLongRequestTags(event(0, null, "/app", (String[]) null)))
             .containsExactlyInAnyOrder(Tag.of("method", "GET"), Tag.of("uri", "/app"));
     }
diff --git a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTest.java b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTest.java
index 59c8798fbc..1ccb7c2146 100644
--- a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTest.java
+++ b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTest.java
@@ -23,7 +23,7 @@
 import io.micrometer.jersey2.server.resources.TestResource;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.NotFoundException;
 import javax.ws.rs.core.Application;
@@ -38,7 +38,7 @@
  * @author Michael Weirauch
  * @author Johnny Lim
  */
-public class MetricsRequestEventListenerTest extends JerseyTest {
+class MetricsRequestEventListenerTest extends JerseyTest {
 
     static {
         Logger.getLogger("org.glassfish.jersey").setLevel(Level.OFF);
@@ -64,7 +64,7 @@ protected Application configure() {
     }
 
     @Test
-    public void resourcesAreTimed() {
+    void resourcesAreTimed() {
         target("/").request().get();
         target("hello").request().get();
         target("hello/").request().get();
@@ -92,7 +92,7 @@ public void resourcesAreTimed() {
     }
 
     @Test
-    public void notFoundIsAccumulatedUnderSameUriIfFromUnmatchedResource() {
+    void notFoundIsAccumulatedUnderSameUriIfFromUnmatchedResource() {
         try {
             target("not-found").request().get();
         } catch (NotFoundException ignored) {
@@ -104,7 +104,7 @@ public void notFoundIsAccumulatedUnderSameUriIfFromUnmatchedResource() {
     }
 
     @Test
-    public void notFoundIsReportedWithUriOfMatchedResource() {
+    void notFoundIsReportedWithUriOfMatchedResource() {
         try {
             target("throws-not-found-exception").request().get();
         } catch (NotFoundException ignored) {
@@ -116,7 +116,7 @@ public void notFoundIsReportedWithUriOfMatchedResource() {
     }
 
     @Test
-    public void redirectsAreAccumulatedUnderSameUri() {
+    void redirectsAreAccumulatedUnderSameUri() {
         target("redirect/302").request().get();
         target("redirect/307").request().get();
 
@@ -130,7 +130,7 @@ public void redirectsAreAccumulatedUnderSameUri() {
     }
 
     @Test
-    public void exceptionsAreMappedCorrectly() {
+    void exceptionsAreMappedCorrectly() {
         try {
             target("throws-exception").request().get();
         } catch (Exception ignored) {
diff --git a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTimedTest.java b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTimedTest.java
index 502fc31ec7..546e2ea8c9 100644
--- a/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTimedTest.java
+++ b/micrometer-jersey2/src/test/java/io/micrometer/jersey2/server/MetricsRequestEventListenerTimedTest.java
@@ -23,7 +23,7 @@
 import io.micrometer.jersey2.server.resources.TimedResource;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import javax.ws.rs.ProcessingException;
 import javax.ws.rs.core.Application;
@@ -40,7 +40,7 @@
 /**
  * @author Michael Weirauch
  */
-public class MetricsRequestEventListenerTimedTest extends JerseyTest {
+class MetricsRequestEventListenerTimedTest extends JerseyTest {
 
     static {
         Logger.getLogger("org.glassfish.jersey").setLevel(Level.OFF);
@@ -73,7 +73,7 @@ protected Application configure() {
     }
 
     @Test
-    public void resourcesAndNotFoundsAreNotAutoTimed() {
+    void resourcesAndNotFoundsAreNotAutoTimed() {
         target("not-timed").request().get();
         target("not-found").request().get();
 
@@ -85,7 +85,7 @@ public void resourcesAndNotFoundsAreNotAutoTimed() {
     }
 
     @Test
-    public void resourcesWithAnnotationAreTimed() {
+    void resourcesWithAnnotationAreTimed() {
         target("timed").request().get();
         target("multi-timed").request().get();
 
@@ -103,7 +103,7 @@ public void resourcesWithAnnotationAreTimed() {
     }
 
     @Test
-    public void longTaskTimerSupported() throws InterruptedException, ExecutionException {
+    void longTaskTimerSupported() throws InterruptedException, ExecutionException {
         final Future<Response> future = target("long-timed").request().async().get();
 
         /*
@@ -136,14 +136,14 @@ public void longTaskTimerSupported() throws InterruptedException, ExecutionExcep
     }
 
     @Test
-    public void unnamedLongTaskTimerIsNotSupported() {
+    void unnamedLongTaskTimerIsNotSupported() {
         assertThatExceptionOfType(ProcessingException.class)
             .isThrownBy(() -> target("long-timed-unnamed").request().get())
             .withCauseInstanceOf(IllegalArgumentException.class);
     }
 
     @Test
-    public void classLevelAnnotationIsInherited() {
+    void classLevelAnnotationIsInherited() {
         target("/class/inherited").request().get();
 
         assertThat(registry.get(METRIC_NAME)
@@ -154,7 +154,7 @@ public void classLevelAnnotationIsInherited() {
     }
 
     @Test
-    public void methodLevelAnnotationOverridesClassLevel() {
+    void methodLevelAnnotationOverridesClassLevel() {
         target("/class/on-method").request().get();
 
         assertThat(registry.get(METRIC_NAME)
diff --git a/samples/micrometer-samples-jersey3/build.gradle b/samples/micrometer-samples-jersey3/build.gradle
index 27be0de671..53d9e2ade0 100644
--- a/samples/micrometer-samples-jersey3/build.gradle
+++ b/samples/micrometer-samples-jersey3/build.gradle
@@ -8,9 +8,6 @@ dependencies {
     implementation 'org.glassfish.jersey.containers:jersey-container-jdk-http:3.+'
     runtimeOnly 'org.glassfish.jersey.inject:jersey-hk2:3.+'
 
+    testImplementation project(':micrometer-test')
     testImplementation 'org.glassfish.jersey.test-framework.providers:jersey-test-framework-provider-jdk-http:3.+'
-    testImplementation 'org.junit.jupiter:junit-jupiter'
-    // See https://github.com/eclipse-ee4j/jersey/issues/3662
-    testRuntimeOnly 'org.junit.vintage:junit-vintage-engine'
-    testImplementation 'org.assertj:assertj-core'
 }
diff --git a/samples/micrometer-samples-jersey3/src/test/java/io/micrometer/samples/jersey3/Jersey3Test.java b/samples/micrometer-samples-jersey3/src/test/java/io/micrometer/samples/jersey3/Jersey3Test.java
index 05f3c6b18f..569a674033 100644
--- a/samples/micrometer-samples-jersey3/src/test/java/io/micrometer/samples/jersey3/Jersey3Test.java
+++ b/samples/micrometer-samples-jersey3/src/test/java/io/micrometer/samples/jersey3/Jersey3Test.java
@@ -23,13 +23,13 @@
 import jakarta.ws.rs.core.Application;
 import org.glassfish.jersey.server.ResourceConfig;
 import org.glassfish.jersey.test.JerseyTest;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.concurrent.TimeUnit;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
-public class Jersey3Test extends JerseyTest {
+class Jersey3Test extends JerseyTest {
 
     static final String TIMER_METRIC_NAME = "http.server.requests";
     MeterRegistry registry;
@@ -43,7 +43,7 @@ protected Application configure() {
     }
 
     @Test
-    public void helloResourceIsTimed() {
+    void helloResourceIsTimed() {
         String response = target("hello/Jersey").request().get(String.class);
         assertThat(response).isEqualTo("Hello, Jersey");
         Timer timer = registry.get(TIMER_METRIC_NAME)