diff --git a/README.MD b/README.MD
index b151184..127e61c 100644
--- a/README.MD
+++ b/README.MD
@@ -59,7 +59,7 @@ Also [GitHub - SSLContext Kickstart](https://github.com/Hakky54/sslcontext-kicks
 # Tutorial
 ## Starting the server
 **Minimum requirements:**
-1. Java 11
+1. Java 17
 2. Maven 3.5.0
 3. Eclipse, Intellij IDEA (or any other text editor like VIM)
 4. A terminal
diff --git a/client/pom.xml b/client/pom.xml
index 6389ff5..af85bc2 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -29,10 +29,18 @@
             <groupId>org.apache.httpcomponents</groupId>
             <artifactId>httpclient</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.apache.httpcomponents.client5</groupId>
+            <artifactId>httpclient5</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.eclipse.jetty</groupId>
             <artifactId>jetty-reactive-httpclient</artifactId>
         </dependency>
+        <dependency>
+            <groupId>org.eclipse.jetty</groupId>
+            <artifactId>jetty-client</artifactId>
+        </dependency>
         <dependency>
             <groupId>org.glassfish.jersey.core</groupId>
             <artifactId>jersey-client</artifactId>
diff --git a/client/src/main/java/nl/altindag/client/ClientConfig.java b/client/src/main/java/nl/altindag/client/ClientConfig.java
index df6c3fd..4a9c730 100644
--- a/client/src/main/java/nl/altindag/client/ClientConfig.java
+++ b/client/src/main/java/nl/altindag/client/ClientConfig.java
@@ -130,16 +130,15 @@ public HttpClient jdkHttpClient(SSLFactory sslFactory) {
     }
 
     @Bean
-    public RestTemplate restTemplate(org.apache.http.impl.client.CloseableHttpClient httpClient) {
+    public RestTemplate restTemplate(org.apache.hc.client5.http.impl.classic.CloseableHttpClient httpClient) {
         return new RestTemplate(new HttpComponentsClientHttpRequestFactory(httpClient));
     }
 
-    @Bean
+    @Bean("okHttpClient")
     @Scope("prototype")
     public OkHttpClient okHttpClient(SSLFactory sslFactory) {
         return new OkHttpClient.Builder()
                 .sslSocketFactory(sslFactory.getSslSocketFactory(), sslFactory.getTrustManager().orElseThrow())
-                .hostnameVerifier(sslFactory.getHostnameVerifier())
                 .build();
     }
 
@@ -155,17 +154,19 @@ public reactor.netty.http.client.HttpClient nettyHttpClient(SSLFactory sslFactor
     @Scope("prototype")
     public org.eclipse.jetty.client.HttpClient jettyHttpClient(SSLFactory sslFactory) {
         var sslContextFactory = JettySslUtils.forClient(sslFactory);
-        return new org.eclipse.jetty.client.HttpClient(sslContextFactory);
+        org.eclipse.jetty.client.HttpClient httpClient = new org.eclipse.jetty.client.HttpClient();
+        httpClient.setSslContextFactory(sslContextFactory);
+        return httpClient;
     }
 
-    @Bean
+    @Bean("webClientWithNetty")
     public WebClient webClientWithNetty(reactor.netty.http.client.HttpClient httpClient) {
         return WebClient.builder()
                 .clientConnector(new ReactorClientHttpConnector(httpClient))
                 .build();
     }
 
-    @Bean
+    @Bean("webClientWithJetty")
     public WebClient webClientWithJetty(org.eclipse.jetty.client.HttpClient httpClient) {
         return WebClient.builder()
                 .clientConnector(new JettyClientHttpConnector(httpClient))
@@ -235,7 +236,7 @@ public void unirest(SSLFactory sslFactory) {
     }
 
     @Bean
-    public Retrofit retrofit(OkHttpClient okHttpClient) {
+    public Retrofit retrofit(@Qualifier("okHttpClient") OkHttpClient okHttpClient) {
         return new Retrofit.Builder()
                 .client(okHttpClient)
                 .baseUrl(Constants.getServerUrl())
@@ -288,7 +289,7 @@ public Feign.Builder feignWithOldJdkHttpClient(SSLFactory sslFactory) {
     }
 
     @Bean
-    public Feign.Builder feignWithOkHttpClient(OkHttpClient okHttpClient) {
+    public Feign.Builder feignWithOkHttpClient(@Qualifier("okHttpClient") OkHttpClient okHttpClient) {
         return Feign.builder()
                 .client(new feign.okhttp.OkHttpClient(okHttpClient));
     }
diff --git a/client/src/main/java/nl/altindag/client/service/Http4kAsyncClientService.kt b/client/src/main/java/nl/altindag/client/service/Http4kAsyncClientService.kt
index de549be..fb8db87 100644
--- a/client/src/main/java/nl/altindag/client/service/Http4kAsyncClientService.kt
+++ b/client/src/main/java/nl/altindag/client/service/Http4kAsyncClientService.kt
@@ -18,12 +18,12 @@ package nl.altindag.client.service
 import nl.altindag.client.Constants
 import nl.altindag.client.model.ClientResponse
 import org.awaitility.Awaitility.await
-import org.http4k.client.AsyncHttpClient
+import org.http4k.client.AsyncHttpHandler
 import org.http4k.core.Method
 import org.http4k.core.Request
 import java.util.concurrent.TimeUnit
 
-abstract class Http4kAsyncClientService(val client: AsyncHttpClient): RequestService {
+abstract class Http4kAsyncClientService(val client: AsyncHttpHandler): RequestService {
 
     override fun executeRequest(url: String): ClientResponse {
         var response: ClientResponse? = null
diff --git a/client/src/main/java/nl/altindag/client/service/Http4kJettyHttpClientService.kt b/client/src/main/java/nl/altindag/client/service/Http4kJettyHttpClientService.kt
index 01c2c07..869c5b5 100644
--- a/client/src/main/java/nl/altindag/client/service/Http4kJettyHttpClientService.kt
+++ b/client/src/main/java/nl/altindag/client/service/Http4kJettyHttpClientService.kt
@@ -17,21 +17,19 @@ package nl.altindag.client.service
 
 import nl.altindag.client.ClientType
 import nl.altindag.client.ClientType.HTTP4K_JETTY_HTTP_CLIENT
-import nl.altindag.ssl.SSLFactory
-import nl.altindag.ssl.jetty.util.JettySslUtils
 import org.eclipse.jetty.client.HttpClient
 import org.http4k.client.JettyClient
 import org.springframework.stereotype.Service
 
 @Service
 class Http4kJettyHttpClientService(
-        sslFactory: SSLFactory
+        jettyClient: HttpClient
 ) : Http4kClientService(
         JettyClient(
-                client = HttpClient(JettySslUtils.forClient(sslFactory))
+                client = jettyClient
         )
 ) {
 
     override fun getClientType(): ClientType = HTTP4K_JETTY_HTTP_CLIENT
 
-}
\ No newline at end of file
+}
diff --git a/client/src/main/java/nl/altindag/client/service/JettyReactiveHttpClientService.java b/client/src/main/java/nl/altindag/client/service/JettyReactiveHttpClientService.java
index ec2d820..e231521 100644
--- a/client/src/main/java/nl/altindag/client/service/JettyReactiveHttpClientService.java
+++ b/client/src/main/java/nl/altindag/client/service/JettyReactiveHttpClientService.java
@@ -39,7 +39,7 @@ public ClientResponse executeRequest(String url) throws Exception {
 
         var contentResponse = httpClient.newRequest(url)
                 .method(HttpMethod.GET)
-                .header(HEADER_KEY_CLIENT_TYPE, getClientType().getValue())
+                .headers(header -> header.add(HEADER_KEY_CLIENT_TYPE, getClientType().getValue()))
                 .send();
 
         httpClient.stop();
diff --git a/client/src/main/java/nl/altindag/client/service/OkHttpClientService.java b/client/src/main/java/nl/altindag/client/service/OkHttpClientService.java
index c40cd1e..511ac5b 100644
--- a/client/src/main/java/nl/altindag/client/service/OkHttpClientService.java
+++ b/client/src/main/java/nl/altindag/client/service/OkHttpClientService.java
@@ -19,6 +19,7 @@
 import nl.altindag.client.model.ClientResponse;
 import okhttp3.OkHttpClient;
 import okhttp3.Request;
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Service;
 
 import java.io.IOException;
@@ -32,7 +33,7 @@ public class OkHttpClientService implements RequestService {
 
     private final OkHttpClient okHttpClient;
 
-    public OkHttpClientService(OkHttpClient okHttpClient) {
+    public OkHttpClientService(@Qualifier("okHttpClient") OkHttpClient okHttpClient) {
         this.okHttpClient = okHttpClient;
     }
 
diff --git a/client/src/main/java/nl/altindag/client/service/SpringWebClientJettyService.java b/client/src/main/java/nl/altindag/client/service/SpringWebClientJettyService.java
index 615c90e..ccb3972 100644
--- a/client/src/main/java/nl/altindag/client/service/SpringWebClientJettyService.java
+++ b/client/src/main/java/nl/altindag/client/service/SpringWebClientJettyService.java
@@ -17,6 +17,7 @@
 
 import static nl.altindag.client.ClientType.SPRING_WEB_CLIENT_JETTY;
 
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Service;
 import org.springframework.web.reactive.function.client.WebClient;
 
@@ -25,7 +26,7 @@
 @Service
 public class SpringWebClientJettyService extends SpringWebClientService {
 
-    public SpringWebClientJettyService(WebClient webClientWithJetty) {
+    public SpringWebClientJettyService(@Qualifier("webClientWithJetty") WebClient webClientWithJetty) {
         super(webClientWithJetty);
     }
 
diff --git a/client/src/main/java/nl/altindag/client/service/SpringWebClientNettyService.java b/client/src/main/java/nl/altindag/client/service/SpringWebClientNettyService.java
index 74d0d48..2893441 100644
--- a/client/src/main/java/nl/altindag/client/service/SpringWebClientNettyService.java
+++ b/client/src/main/java/nl/altindag/client/service/SpringWebClientNettyService.java
@@ -17,6 +17,7 @@
 
 import static nl.altindag.client.ClientType.SPRING_WEB_CLIENT_NETTY;
 
+import org.springframework.beans.factory.annotation.Qualifier;
 import org.springframework.stereotype.Service;
 import org.springframework.web.reactive.function.client.WebClient;
 
@@ -25,7 +26,7 @@
 @Service
 public class SpringWebClientNettyService extends SpringWebClientService {
 
-    public SpringWebClientNettyService(WebClient webClientWithNetty) {
+    public SpringWebClientNettyService(@Qualifier("webClientWithNetty") WebClient webClientWithNetty) {
         super(webClientWithNetty);
     }
 
diff --git a/client/src/test/java/nl/altindag/client/ClientConfigShould.java b/client/src/test/java/nl/altindag/client/ClientConfigShould.java
index 252b48f..1723f72 100644
--- a/client/src/test/java/nl/altindag/client/ClientConfigShould.java
+++ b/client/src/test/java/nl/altindag/client/ClientConfigShould.java
@@ -112,7 +112,7 @@ void createJdkHttpClient() {
 
     @Test
     void createRestTemplate() {
-        CloseableHttpClient httpClient = mock(CloseableHttpClient.class);
+        org.apache.hc.client5.http.impl.classic.CloseableHttpClient httpClient = mock(org.apache.hc.client5.http.impl.classic.CloseableHttpClient.class);
 
         RestTemplate restTemplate = victim.restTemplate(httpClient);
 
@@ -127,12 +127,10 @@ void createOkHttpClient() {
 
         assertThat(okHttpClient).isNotNull();
         verify(sslFactory, times(1)).getTrustManager();
-        verify(sslFactory, times(1)).getHostnameVerifier();
         verify(sslFactory, times(1)).getSslSocketFactory();
 
         assertThat(sslFactory.getTrustManager()).isPresent();
         assertThat(okHttpClient.x509TrustManager()).isEqualTo(sslFactory.getTrustManager().get());
-        assertThat(okHttpClient.hostnameVerifier()).isEqualTo(sslFactory.getHostnameVerifier());
     }
 
     @Test
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt
index f11cf4f..ec22530 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt
@@ -19,7 +19,9 @@ import nl.altindag.client.ClientType.HTTP4K_JETTY_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
+import nl.altindag.ssl.jetty.util.JettySslUtils
 import org.assertj.core.api.Assertions.assertThat
+import org.eclipse.jetty.client.HttpClient
 import org.junit.jupiter.api.Test
 import org.mockito.kotlin.times
 import org.mockito.kotlin.verify
@@ -31,7 +33,11 @@ class Http4kJettyHttpClientServiceShould {
         MockServerTestHelper.mockResponseForClient(HTTP4K_JETTY_HTTP_CLIENT)
         val sslFactory = SSLFactoryTestHelper.createSSLFactory(false, true)
 
-        val client = Http4kJettyHttpClientService(sslFactory)
+        val sslContextFactory = JettySslUtils.forClient(sslFactory)
+        val httpClient = HttpClient()
+        httpClient.sslContextFactory = sslContextFactory
+
+        val client = Http4kJettyHttpClientService(httpClient)
         val response = client.executeRequest(TestConstants.HTTP_URL)
 
         assertThat(response.responseBody).isEqualTo("Hello")
diff --git a/client/src/test/java/nl/altindag/client/service/JettyReactiveHttpClientServiceShould.java b/client/src/test/java/nl/altindag/client/service/JettyReactiveHttpClientServiceShould.java
index 6f05ffa..13f18a0 100644
--- a/client/src/test/java/nl/altindag/client/service/JettyReactiveHttpClientServiceShould.java
+++ b/client/src/test/java/nl/altindag/client/service/JettyReactiveHttpClientServiceShould.java
@@ -16,9 +16,9 @@
 package nl.altindag.client.service;
 
 import nl.altindag.client.model.ClientResponse;
+import org.eclipse.jetty.client.ContentResponse;
 import org.eclipse.jetty.client.HttpClient;
-import org.eclipse.jetty.client.api.ContentResponse;
-import org.eclipse.jetty.client.api.Request;
+import org.eclipse.jetty.client.Request;
 import org.eclipse.jetty.http.HttpMethod;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
@@ -27,8 +27,8 @@
 import org.mockito.Mock;
 import org.mockito.junit.jupiter.MockitoExtension;
 
-import static nl.altindag.client.ClientType.JETTY_REACTIVE_HTTP_CLIENT;
-import static nl.altindag.client.TestConstants.HEADER_KEY_CLIENT_TYPE;
+import java.util.function.Consumer;
+
 import static nl.altindag.client.TestConstants.HTTP_URL;
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.mockito.ArgumentMatchers.anyString;
@@ -38,6 +38,7 @@
 import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
 
+@SuppressWarnings("unchecked")
 @ExtendWith(MockitoExtension.class)
 class JettyReactiveHttpClientServiceShould {
 
@@ -53,14 +54,12 @@ void executeRequest() throws Exception {
 
         when(httpClient.newRequest(anyString())).thenReturn(request);
         when(request.method(any(HttpMethod.class))).thenReturn(request);
-        when(request.header(anyString(), anyString())).thenReturn(request);
+        when(request.headers(any(Consumer.class))).thenReturn(request);
         when(request.send()).thenReturn(contentResponse);
         when(contentResponse.getContentAsString()).thenReturn("hello");
         when(contentResponse.getStatus()).thenReturn(200);
 
         ArgumentCaptor<String> urlCaptor = ArgumentCaptor.forClass(String.class);
-        ArgumentCaptor<String> headerKeyCaptor = ArgumentCaptor.forClass(String.class);
-        ArgumentCaptor<String> headerValueCaptor = ArgumentCaptor.forClass(String.class);
         ArgumentCaptor<HttpMethod> httpMethodCaptor = ArgumentCaptor.forClass(HttpMethod.class);
 
         ClientResponse clientResponse = victim.executeRequest(HTTP_URL);
@@ -68,10 +67,6 @@ void executeRequest() throws Exception {
         assertThat(clientResponse.getStatusCode()).isEqualTo(200);
         assertThat(clientResponse.getResponseBody()).isEqualTo("hello");
 
-        verify(request, times(1)).header(headerKeyCaptor.capture(), headerValueCaptor.capture());
-        assertThat(headerKeyCaptor.getValue()).isEqualTo(HEADER_KEY_CLIENT_TYPE);
-        assertThat(headerValueCaptor.getValue()).isEqualTo(JETTY_REACTIVE_HTTP_CLIENT.getValue());
-
         verify(request, times(1)).method(httpMethodCaptor.capture());
         assertThat(httpMethodCaptor.getValue()).isEqualTo(HttpMethod.GET);
 
diff --git a/pom.xml b/pom.xml
index f200545..f5bc9e8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -21,9 +21,11 @@
         <version.kotlin>2.0.0</version.kotlin>
         <version.kotlinx-coroutines-core>1.8.1</version.kotlinx-coroutines-core>
         <version.sslcontext-kickstart>8.3.5</version.sslcontext-kickstart>
-        <version.spring>2.7.18</version.spring> <!--TODO Bump me-->
-        <version.slf4j>1.7.33</version.slf4j>
+        <version.spring>3.3.1</version.spring>
+        <version.slf4j>2.0.13</version.slf4j>
+        <version.logback>1.5.6</version.logback>
         <version.apache.httpclient>4.5.13</version.apache.httpclient>
+        <version.apache.httpclient5>5.3.1</version.apache.httpclient5>
         <version.cucumber>7.18.0</version.cucumber>
         <version.maven-fail-safe>3.2.5</version.maven-fail-safe>
         <version.maven-surefire-plugin>3.2.5</version.maven-surefire-plugin>
@@ -33,7 +35,8 @@
         <version.commons-io>2.16.1</version.commons-io>
         <version.exec-maven-plugin>3.2.0</version.exec-maven-plugin>
         <version.okhttp>4.12.0</version.okhttp>
-        <version.jetty-reactive-httpclient>1.1.16</version.jetty-reactive-httpclient>
+        <version.jetty-reactive-httpclient>4.0.5</version.jetty-reactive-httpclient>
+        <version.jetty>12.0.11</version.jetty>
         <version.jersey1>1.19.4</version.jersey1>
         <version.jersey2>3.1.6</version.jersey2>
         <version.apache.cxf>3.6.3</version.apache.cxf> <!--v3.x.x is using javax v4.x.x is using jakarta -->
@@ -54,15 +57,15 @@
         <version.feign>11.8</version.feign>
         <version.methanol>1.6.0</version.methanol>
         <version.ktor>2.3.11</version.ktor>
-        <version.http4k>3.285.1</version.http4k>
+        <version.http4k>5.25.0.0</version.http4k>
         <version.vertx>4.2.4</version.vertx>
         <version.javax.annotation-api>1.3.2</version.javax.annotation-api>
         <version.jakarta.xml.bind-api>3.0.1</version.jakarta.xml.bind-api>
         <version.jakarta.annotation-api>2.0.0</version.jakarta.annotation-api>
         <version.jakarta.activation-api>2.0.1</version.jakarta.activation-api>
         <version.jax-rs-v2>2.1.1</version.jax-rs-v2>
-        <version.netty-handler>4.1.99.Final</version.netty-handler>
-        <version.netty-tcnative>2.0.62.Final</version.netty-tcnative>
+        <version.netty-handler>4.1.108.Final</version.netty-handler>
+        <version.netty-tcnative>2.0.65.Final</version.netty-tcnative>
         <version.cats-core>2.10.0</version.cats-core>
         <version.cats-effect>3.5.4</version.cats-effect>
         <version.awaitility>4.2.1</version.awaitility>
@@ -71,7 +74,7 @@
         <version.junit-jupiter>5.10.2</version.junit-jupiter>
         <version.mockito>5.12.0</version.mockito>
         <version.assertj-core>3.25.3</version.assertj-core>
-        <version.logcaptor>2.7.8</version.logcaptor>
+        <version.logcaptor>2.9.3</version.logcaptor>
         <version.byte-buddy>1.14.15</version.byte-buddy>
         <version.mockito-kotlin>5.3.1</version.mockito-kotlin>
         <version.scalatest>3.2.18</version.scalatest>
@@ -125,11 +128,21 @@
                 <artifactId>httpclient</artifactId>
                 <version>${version.apache.httpclient}</version>
             </dependency>
+            <dependency>
+                <groupId>org.apache.httpcomponents.client5</groupId>
+                <artifactId>httpclient5</artifactId>
+                <version>${version.apache.httpclient5}</version>
+            </dependency>
             <dependency>
                 <groupId>org.eclipse.jetty</groupId>
                 <artifactId>jetty-reactive-httpclient</artifactId>
                 <version>${version.jetty-reactive-httpclient}</version>
             </dependency>
+            <dependency>
+                <groupId>org.eclipse.jetty</groupId>
+                <artifactId>jetty-client</artifactId>
+                <version>${version.jetty}</version>
+            </dependency>
             <dependency>
                 <groupId>org.glassfish.jersey.core</groupId>
                 <artifactId>jersey-client</artifactId>
@@ -351,6 +364,41 @@
                 <artifactId>netty-handler</artifactId>
                 <version>${version.netty-handler}</version>
             </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-resolver-dns</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-codec-http2</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-codec-http</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-codec-socks</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-handler-proxy</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-epoll</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-transport-native-kqueue</artifactId>
+                <version>${version.netty-handler}</version>
+            </dependency>
             <dependency>
                 <groupId>io.netty</groupId>
                 <artifactId>netty-tcnative</artifactId>
@@ -361,6 +409,11 @@
                 <artifactId>netty-tcnative-boringssl-static</artifactId>
                 <version>${version.netty-tcnative}</version>
             </dependency>
+            <dependency>
+                <groupId>io.netty</groupId>
+                <artifactId>netty-tcnative-boringssl-static</artifactId>
+                <version>${version.netty-tcnative}</version>
+            </dependency>
 
             <!--     Servers       -->
             <dependency>
@@ -470,6 +523,11 @@
                 <artifactId>slf4j-simple</artifactId>
                 <version>${version.slf4j}</version>
             </dependency>
+            <dependency>
+                <groupId>ch.qos.logback</groupId>
+                <artifactId>logback-classic</artifactId>
+                <version>${version.logback}</version>
+            </dependency>
 
             <!--     Utilities       -->
             <dependency>