diff --git a/.github/workflows/maven.yml b/.github/workflows/maven.yml
index 1285320..80be67c 100644
--- a/.github/workflows/maven.yml
+++ b/.github/workflows/maven.yml
@@ -16,7 +16,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest, macos-latest ]
-        java: [ '11', '17' ]
+        java: [ '11', '17,' '21' ]
 
     steps:
       - uses: actions/checkout@v2
@@ -46,7 +46,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ windows-latest ]
-        java: [ '11', '17' ]
+        java: [ '11', '17', '21' ]
 
     steps:
       - uses: actions/checkout@v2
diff --git a/client/pom.xml b/client/pom.xml
index f942dd5..75df747 100644
--- a/client/pom.xml
+++ b/client/pom.xml
@@ -256,7 +256,7 @@
             <artifactId>logcaptor</artifactId>
         </dependency>
         <dependency>
-            <groupId>com.nhaarman.mockitokotlin2</groupId>
+            <groupId>org.mockito.kotlin</groupId>
             <artifactId>mockito-kotlin</artifactId>
         </dependency>
         <dependency>
diff --git a/client/src/test/java/nl/altindag/client/service/FuelServiceShould.kt b/client/src/test/java/nl/altindag/client/service/FuelServiceShould.kt
index 647275e..20aec03 100644
--- a/client/src/test/java/nl/altindag/client/service/FuelServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/FuelServiceShould.kt
@@ -17,12 +17,12 @@ package nl.altindag.client.service
 
 import com.github.kittinunf.fuel.core.*
 import com.github.kittinunf.fuel.core.requests.DefaultBody
-import com.nhaarman.mockitokotlin2.*
 import nl.altindag.client.TestConstants.HEADER_KEY_CLIENT_TYPE
 import nl.altindag.client.TestConstants.HTTP_URL
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.*
 
 import java.net.URL
 
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kApache4AsyncHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kApache4AsyncHttpClientServiceShould.kt
index 3b983e4..bd25a6f 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kApache4AsyncHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kApache4AsyncHttpClientServiceShould.kt
@@ -15,8 +15,6 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_APACHE4_ASYNC_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
@@ -25,6 +23,8 @@ import org.assertj.core.api.Assertions.assertThat
 import org.assertj.core.api.Assertions.assertThatThrownBy
 import org.awaitility.core.ConditionTimeoutException
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 import java.util.concurrent.TimeUnit
 
 class Http4kApache4AsyncHttpClientServiceShould {
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kApache4HttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kApache4HttpClientServiceShould.kt
index b76926a..df66226 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kApache4HttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kApache4HttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_APACHE4_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kApache4HttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kApache5AsyncHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kApache5AsyncHttpClientServiceShould.kt
index 51ec1ca..c4f45d6 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kApache5AsyncHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kApache5AsyncHttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_APACHE5_ASYNC_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kApache5AsyncHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kApache5HttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kApache5HttpClientServiceShould.kt
index 7437134..657f5a2 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kApache5HttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kApache5HttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_APACHE5_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kApache5HttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kJavaHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kJavaHttpClientServiceShould.kt
index a758b04..140523b 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kJavaHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kJavaHttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_JAVA_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kJavaHttpClientServiceShould {
 
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 ca6b4d0..f11cf4f 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kJettyHttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 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 org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kJettyHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/Http4kOkHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/Http4kOkHttpClientServiceShould.kt
index 67d51e1..dd76ce7 100644
--- a/client/src/test/java/nl/altindag/client/service/Http4kOkHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/Http4kOkHttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.HTTP4K_OK_HTTP_CLIENT
 import nl.altindag.client.TestConstants
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class Http4kOkHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/KohttpServiceShould.kt b/client/src/test/java/nl/altindag/client/service/KohttpServiceShould.kt
index 1bf827f..b9f5162 100644
--- a/client/src/test/java/nl/altindag/client/service/KohttpServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/KohttpServiceShould.kt
@@ -15,7 +15,6 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.*
 import nl.altindag.client.TestConstants.HEADER_KEY_CLIENT_TYPE
 import nl.altindag.client.TestConstants.HTTP_URL
 import nl.altindag.client.util.SSLFactoryTestHelper
@@ -25,6 +24,7 @@ import okhttp3.Response
 import okhttp3.ResponseBody
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.*
 
 class KohttpServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/KtorAndroidHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/KtorAndroidHttpClientServiceShould.kt
index 0c6fe2c..1acc270 100644
--- a/client/src/test/java/nl/altindag/client/service/KtorAndroidHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/KtorAndroidHttpClientServiceShould.kt
@@ -15,8 +15,6 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.KTOR_ANDROID_HTTP_CLIENT
 import nl.altindag.client.TestConstants.HTTPS_URL
 import nl.altindag.client.TestConstants.HTTP_URL
@@ -25,6 +23,8 @@ import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.assertj.core.api.Assertions.assertThatThrownBy
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class KtorAndroidHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/KtorApacheHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/KtorApacheHttpClientServiceShould.kt
index fb0512d..9466773 100644
--- a/client/src/test/java/nl/altindag/client/service/KtorApacheHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/KtorApacheHttpClientServiceShould.kt
@@ -15,15 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.KTOR_APACHE_HTTP_CLIENT
 import nl.altindag.client.TestConstants.HTTP_URL
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
-
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class KtorApacheHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/KtorJavaHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/KtorJavaHttpClientServiceShould.kt
index e7339dc..1857f4e 100644
--- a/client/src/test/java/nl/altindag/client/service/KtorJavaHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/KtorJavaHttpClientServiceShould.kt
@@ -15,8 +15,6 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.KTOR_JAVA_HTTP_CLIENT
 import nl.altindag.client.TestConstants.HTTP_URL
 import nl.altindag.client.TestConstants.HTTPS_URL
@@ -25,7 +23,8 @@ import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.assertj.core.api.Assertions.assertThatThrownBy
 import org.junit.jupiter.api.Test
-
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class KtorJavaHttpClientServiceShould {
 
diff --git a/client/src/test/java/nl/altindag/client/service/KtorOkHttpClientServiceShould.kt b/client/src/test/java/nl/altindag/client/service/KtorOkHttpClientServiceShould.kt
index 9a55b3f..85cadc0 100644
--- a/client/src/test/java/nl/altindag/client/service/KtorOkHttpClientServiceShould.kt
+++ b/client/src/test/java/nl/altindag/client/service/KtorOkHttpClientServiceShould.kt
@@ -15,14 +15,14 @@
  */
 package nl.altindag.client.service
 
-import com.nhaarman.mockitokotlin2.times
-import com.nhaarman.mockitokotlin2.verify
 import nl.altindag.client.ClientType.KTOR_OK_HTTP
 import nl.altindag.client.TestConstants.HTTP_URL
 import nl.altindag.client.util.MockServerTestHelper
 import nl.altindag.client.util.SSLFactoryTestHelper
 import org.assertj.core.api.Assertions.assertThat
 import org.junit.jupiter.api.Test
+import org.mockito.kotlin.times
+import org.mockito.kotlin.verify
 
 class KtorOkHttpClientServiceShould {
 
diff --git a/pom.xml b/pom.xml
index daec6a3..dc3d757 100644
--- a/pom.xml
+++ b/pom.xml
@@ -18,8 +18,8 @@
     <properties>
         <version.java>11</version.java>
         <version.scala>2.13</version.scala>
-        <version.scala-compiler>2.13.9</version.scala-compiler>
-        <version.kotlin>1.6.10</version.kotlin>
+        <version.scala-compiler>2.13.13</version.scala-compiler>
+        <version.kotlin>1.9.22</version.kotlin>
         <version.kotlinx-coroutines-core>1.6.0-native-mt</version.kotlinx-coroutines-core>
         <version.sslcontext-kickstart>8.1.1</version.sslcontext-kickstart>
         <version.spring>2.7.18</version.spring>
@@ -69,18 +69,18 @@
         <version.jackson-module-scala>2.13.1</version.jackson-module-scala>
         <version.jacoco-maven-plugin>0.8.7</version.jacoco-maven-plugin>
         <version.junit-jupiter>5.8.2</version.junit-jupiter>
-        <version.mockito>4.2.0</version.mockito>
+        <version.mockito>4.8.1</version.mockito>
         <version.assertj-core>3.22.0</version.assertj-core>
         <version.logcaptor>2.7.8</version.logcaptor>
-        <version.byte-buddy>1.12.7</version.byte-buddy>
-        <version.mockito-kotlin>2.2.0</version.mockito-kotlin>
+        <version.byte-buddy>1.14.12</version.byte-buddy>
+        <version.mockito-kotlin>5.2.1</version.mockito-kotlin>
         <version.scalatest>3.2.10</version.scalatest>
         <version.scalatest-maven-plugin>2.0.2</version.scalatest-maven-plugin>
-        <version.mockito-scala>1.17.0</version.mockito-scala>
+        <version.mockito-scala>1.17.30</version.mockito-scala>
         <version.mockserver>5.11.2</version.mockserver>
         <version.maven-compiler-plugin>3.8.1</version.maven-compiler-plugin>
         <version.maven-shade-plugin>3.2.4</version.maven-shade-plugin>
-        <version.scala-maven-plugin>4.7.2</version.scala-maven-plugin>
+        <version.scala-maven-plugin>4.8.1</version.scala-maven-plugin>
         <version.license-maven-plugin>4.2.rc3</version.license-maven-plugin>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <license.git.copyrightYears>2018</license.git.copyrightYears>
@@ -498,6 +498,12 @@
                 <version>${version.mockito}</version>
                 <scope>test</scope>
             </dependency>
+            <dependency>
+                <groupId>org.mockito</groupId>
+                <artifactId>mockito-core</artifactId>
+                <version>${version.mockito}</version>
+                <scope>test</scope>
+            </dependency>
             <dependency>
                 <groupId>org.assertj</groupId>
                 <artifactId>assertj-core</artifactId>
@@ -536,7 +542,7 @@
                 <scope>test</scope>
             </dependency>
             <dependency>
-                <groupId>com.nhaarman.mockitokotlin2</groupId>
+                <groupId>org.mockito.kotlin</groupId>
                 <artifactId>mockito-kotlin</artifactId>
                 <version>${version.mockito-kotlin}</version>
                 <scope>test</scope>
@@ -643,7 +649,7 @@ limitations under the License.
                     <artifactId>kotlin-maven-plugin</artifactId>
                     <version>${version.kotlin}</version>
                     <configuration>
-                        <jvmTarget>1.8</jvmTarget>
+                        <jvmTarget>11</jvmTarget>
                     </configuration>
                     <executions>
                         <execution>