diff --git a/.gitignore b/.gitignore
index 1d9336b..4f1f1c8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -23,4 +23,5 @@
 hs_err_pid*
 
 .idea
-**.iml
\ No newline at end of file
+**.iml
+target
\ No newline at end of file
diff --git a/oauth2-server-client-inmemory/pom.xml b/oauth2-server-client-inmemory/pom.xml
index 4b27196..5e81308 100644
--- a/oauth2-server-client-inmemory/pom.xml
+++ b/oauth2-server-client-inmemory/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/oauth2-server-core/pom.xml b/oauth2-server-core/pom.xml
index 8eaa0b6..a95e628 100644
--- a/oauth2-server-core/pom.xml
+++ b/oauth2-server-core/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/oauth2-server-hexagon/pom.xml b/oauth2-server-hexagon/pom.xml
index 9eb9112..57f5ba2 100644
--- a/oauth2-server-hexagon/pom.xml
+++ b/oauth2-server-hexagon/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/oauth2-server-http4k/pom.xml b/oauth2-server-http4k/pom.xml
index ad11983..58127a7 100644
--- a/oauth2-server-http4k/pom.xml
+++ b/oauth2-server-http4k/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -15,13 +15,13 @@
         <dependency>
             <groupId>org.http4k</groupId>
             <artifactId>http4k-core</artifactId>
-            <version>3.37.1</version>
+            <version>4.25.13.0</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
             <groupId>org.http4k</groupId>
             <artifactId>http4k-server-jetty</artifactId>
-            <version>3.37.1</version>
+            <version>4.25.13.0</version>
             <scope>test</scope>
         </dependency>
         <dependency>
diff --git a/oauth2-server-identity-inmemory/pom.xml b/oauth2-server-identity-inmemory/pom.xml
index d325e43..8e9be0c 100644
--- a/oauth2-server-identity-inmemory/pom.xml
+++ b/oauth2-server-identity-inmemory/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/oauth2-server-integration-base/pom.xml b/oauth2-server-integration-base/pom.xml
index 50345f0..8a6e5b8 100644
--- a/oauth2-server-integration-base/pom.xml
+++ b/oauth2-server-integration-base/pom.xml
@@ -5,28 +5,28 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>oauth2-server-integration-base</artifactId>
 
     <properties>
-        <jackson.version>2.11.4</jackson.version>
-        <jackson.databind.version>2.11.4</jackson.databind.version>
+        <jackson.version>2.13.3</jackson.version>
+        <jackson.databind.version>2.13.3</jackson.databind.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>com.squareup.okhttp3</groupId>
             <artifactId>okhttp</artifactId>
-            <version>3.12.1</version>
+            <version>4.9.3</version>
         </dependency>
 
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.2.0</version>
+            <version>5.8.2</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/oauth2-server-integration-base/src/main/java/nl/myndocs/oauth2/integration/BaseIntegrationTest.kt b/oauth2-server-integration-base/src/main/java/nl/myndocs/oauth2/integration/BaseIntegrationTest.kt
index c021ab4..cb4ad36 100644
--- a/oauth2-server-integration-base/src/main/java/nl/myndocs/oauth2/integration/BaseIntegrationTest.kt
+++ b/oauth2-server-integration-base/src/main/java/nl/myndocs/oauth2/integration/BaseIntegrationTest.kt
@@ -61,7 +61,7 @@ abstract class BaseIntegrationTest {
         val response = client.newCall(request)
                 .execute()
 
-        val values = objectMapper.readMap(response.body()!!.string())
+        val values = objectMapper.readMap(response.body!!.string())
 
         assertThat(values["access_token"], `is`(notNullValue()))
         assertThat(UUID.fromString(values["access_token"] as String), `is`(instanceOf(UUID::class.java)))
@@ -98,25 +98,31 @@ abstract class BaseIntegrationTest {
 
         response.close()
 
-        val body = FormBody.Builder()
+        val body = response.header("location")!!.asQueryParameters()["code"]?.let {
+            FormBody.Builder()
                 .add("grant_type", "authorization_code")
-                .add("code", response.header("location")!!.asQueryParameters()["code"])
+                .add("code", it)
                 .add("redirect_uri", "http://localhost:8080/callback")
                 .add("client_id", "testapp")
                 .add("client_secret", "testpass")
                 .build()
+        }
 
         val tokenUrl = buildOauthTokenUri()
 
-        val tokenRequest = Request.Builder()
+        val tokenRequest = body?.let {
+            Request.Builder()
                 .url(tokenUrl)
-                .post(body)
+                .post(it)
                 .build()
+        }
 
-        val tokenResponse = client.newCall(tokenRequest)
+        val tokenResponse = tokenRequest?.let {
+            client.newCall(it)
                 .execute()
+        }
 
-        val values = objectMapper.readMap(tokenResponse.body()!!.string())
+        val values = objectMapper.readMap(tokenResponse?.body!!.string())
         assertThat(values["access_token"], `is`(notNullValue()))
         assertThat(UUID.fromString(values["access_token"] as String), `is`(instanceOf(UUID::class.java)))
 
@@ -140,7 +146,7 @@ abstract class BaseIntegrationTest {
         val tokenResponse = client.newCall(tokenRequest)
                 .execute()
 
-        val values = objectMapper.readMap(tokenResponse.body()!!.string())
+        val values = objectMapper.readMap(tokenResponse.body!!.string())
         assertThat(values["access_token"], `is`(notNullValue()))
         assertThat(UUID.fromString(values["access_token"] as String), `is`(instanceOf(UUID::class.java)))
 
diff --git a/oauth2-server-javalin/pom.xml b/oauth2-server-javalin/pom.xml
index dbcf995..5e6ebf2 100644
--- a/oauth2-server-javalin/pom.xml
+++ b/oauth2-server-javalin/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>io.javalin</groupId>
             <artifactId>javalin</artifactId>
-            <version>3.12.0</version>
+            <version>4.5.0</version>
             <scope>provided</scope>
         </dependency>
 
diff --git a/oauth2-server-json/pom.xml b/oauth2-server-json/pom.xml
index af0bca1..4a69956 100644
--- a/oauth2-server-json/pom.xml
+++ b/oauth2-server-json/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>com.google.code.gson</groupId>
             <artifactId>gson</artifactId>
-            <version>2.8.9</version>
+            <version>2.9.0</version>
         </dependency>
     </dependencies>
 
diff --git a/oauth2-server-jwt/pom.xml b/oauth2-server-jwt/pom.xml
index 3daae14..37a99e2 100644
--- a/oauth2-server-jwt/pom.xml
+++ b/oauth2-server-jwt/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -21,7 +21,7 @@
         <dependency>
             <groupId>com.auth0</groupId>
             <artifactId>java-jwt</artifactId>
-            <version>3.5.0</version>
+            <version>3.19.2</version>
         </dependency>
     </dependencies>
 </project>
\ No newline at end of file
diff --git a/oauth2-server-ktor/pom.xml b/oauth2-server-ktor/pom.xml
index e4a95d1..f652ddf 100644
--- a/oauth2-server-ktor/pom.xml
+++ b/oauth2-server-ktor/pom.xml
@@ -5,20 +5,20 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
     <artifactId>oauth2-server-ktor</artifactId>
 
     <properties>
-        <ktor.version>1.1.2</ktor.version>
+        <ktor.version>2.0.1</ktor.version>
     </properties>
 
     <dependencies>
         <dependency>
             <groupId>io.ktor</groupId>
-            <artifactId>ktor-server-core</artifactId>
+            <artifactId>ktor-server-core-jvm</artifactId>
             <version>${ktor.version}</version>
             <scope>provided</scope>
         </dependency>
@@ -37,7 +37,7 @@
 
         <dependency>
             <groupId>io.ktor</groupId>
-            <artifactId>ktor-server-netty</artifactId>
+            <artifactId>ktor-server-netty-jvm</artifactId>
             <version>${ktor.version}</version>
             <scope>test</scope>
         </dependency>
@@ -47,20 +47,48 @@
             <version>${project.version}</version>
             <scope>test</scope>
         </dependency>
+        <dependency>
+            <groupId>io.ktor</groupId>
+            <artifactId>ktor-utils-jvm</artifactId>
+            <version>${ktor.version}</version>
+            <scope>provided</scope>
+        </dependency>
+        <dependency>
+            <groupId>io.ktor</groupId>
+            <artifactId>ktor-server-host-common-jvm</artifactId>
+            <version>${ktor.version}</version>
+            <scope>provided</scope>
+        </dependency>
     </dependencies>
 
     <repositories>
         <repository>
             <id>ktor</id>
-            <url>http://dl.bintray.com/kotlin/ktor</url>
+            <url>https://kotlin.bintray.com/ktor</url>
         </repository>
         <repository>
             <id>kotlinx</id>
-            <url>http://dl.bintray.com/kotlin/kotlinx</url>
+            <url>https://kotlin.bintray.com/kotlinx</url>
+        </repository>
+        <repository>
+            <id>central</id>
+            <url>https://repo1.maven.org/maven2/</url>
+        </repository>
+        <repository>
+            <id>jitpack</id>
+            <url>https://jitpack.io</url>
+        </repository>
+        <repository>
+            <id>ktor-eap</id>
+            <url>https://maven.pkg.jetbrains.space/public/p/ktor/eap</url>
+        </repository>
+        <repository>
+            <id>ktor-dev</id>
+            <url>https://maven.pkg.jetbrains.space/kotlin/p/kotlin/dev</url>
         </repository>
         <repository>
-            <id>jcenter</id>
-            <url>http://jcenter.bintray.com</url>
+            <id>central1</id>
+            <url>https://repo.maven.apache.org/maven2</url>
         </repository>
     </repositories>
 </project>
\ No newline at end of file
diff --git a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/Oauth2ServerFeature.kt b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/Oauth2ServerFeature.kt
index 6cd8960..24e44d6 100644
--- a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/Oauth2ServerFeature.kt
+++ b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/Oauth2ServerFeature.kt
@@ -1,29 +1,27 @@
 package nl.myndocs.oauth2.ktor.feature
 
-import io.ktor.application.ApplicationCallPipeline
-import io.ktor.application.ApplicationFeature
-import io.ktor.application.call
 import io.ktor.util.AttributeKey
 import nl.myndocs.oauth2.config.Configuration
 import nl.myndocs.oauth2.config.ConfigurationBuilder
 import nl.myndocs.oauth2.ktor.feature.config.KtorConfiguration
 import nl.myndocs.oauth2.ktor.feature.request.KtorCallContext
+import io.ktor.server.application.*
 
-class Oauth2ServerFeature(configuration: Configuration) {
+public class Oauth2ServerFeature(configuration: Configuration) {
     val callRouter = configuration.callRouter
 
-    companion object Feature : ApplicationFeature<ApplicationCallPipeline, KtorConfiguration, Oauth2ServerFeature> {
+    public companion object : BaseApplicationPlugin<Application, KtorConfiguration, Oauth2ServerFeature> {
         override val key = AttributeKey<Oauth2ServerFeature>("Oauth2ServerFeature")
 
-        override fun install(pipeline: ApplicationCallPipeline, configure: KtorConfiguration.() -> Unit): Oauth2ServerFeature {
+        override fun install(pipeline: Application, configure: KtorConfiguration.() -> Unit): Oauth2ServerFeature {
             val ktorConfiguration = KtorConfiguration()
             configure(ktorConfiguration)
-            val configuration = ConfigurationBuilder.build(configure as ConfigurationBuilder.Configuration.() -> Unit, ktorConfiguration)
-
+            val configuration =
+                ConfigurationBuilder.build(configure as ConfigurationBuilder.Configuration.() -> Unit, ktorConfiguration)
 
             val feature = Oauth2ServerFeature(configuration)
 
-            pipeline.intercept(ApplicationCallPipeline.Features) {
+            pipeline.intercept(ApplicationCallPipeline.Plugins) {
                 val ktorCallContext = KtorCallContext(call)
 
                 if (configuration.callRouter.authorizeEndpoint == ktorCallContext.path) {
@@ -31,10 +29,10 @@ class Oauth2ServerFeature(configuration: Configuration) {
                 }
 
                 if (
-                        arrayOf(
-                                configuration.callRouter.tokenEndpoint,
-                                configuration.callRouter.tokenInfoEndpoint
-                        ).contains(ktorCallContext.path)
+                    arrayOf(
+                        configuration.callRouter.tokenEndpoint,
+                        configuration.callRouter.tokenInfoEndpoint
+                    ).contains(ktorCallContext.path)
                 ) {
                     feature.callRouter.route(ktorCallContext)
                 }
diff --git a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/config/KtorConfiguration.kt b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/config/KtorConfiguration.kt
index 7914b15..33955d4 100644
--- a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/config/KtorConfiguration.kt
+++ b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/config/KtorConfiguration.kt
@@ -1,6 +1,6 @@
 package nl.myndocs.oauth2.ktor.feature.config
 
-import io.ktor.application.*
+import io.ktor.server.application.*
 import nl.myndocs.oauth2.config.ConfigurationBuilder
 import nl.myndocs.oauth2.ktor.feature.request.KtorCallContext
 import nl.myndocs.oauth2.request.auth.CallContextBasicAuthenticator
diff --git a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/request/KtorCallContext.kt b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/request/KtorCallContext.kt
index 6bfcf5e..c89ec1b 100644
--- a/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/request/KtorCallContext.kt
+++ b/oauth2-server-ktor/src/main/java/nl/myndocs/oauth2/ktor/feature/request/KtorCallContext.kt
@@ -1,14 +1,9 @@
 package nl.myndocs.oauth2.ktor.feature.request
 
-import io.ktor.application.ApplicationCall
-import io.ktor.http.HttpStatusCode
-import io.ktor.request.header
-import io.ktor.request.httpMethod
-import io.ktor.request.path
-import io.ktor.request.receiveParameters
-import io.ktor.response.header
-import io.ktor.response.respondRedirect
-import io.ktor.response.respondText
+import io.ktor.http.*
+import io.ktor.server.application.*
+import io.ktor.server.request.*
+import io.ktor.server.response.*
 import io.ktor.util.toMap
 import kotlinx.coroutines.runBlocking
 import nl.myndocs.oauth2.authenticator.Credentials
@@ -19,17 +14,17 @@ class KtorCallContext(val applicationCall: ApplicationCall) : CallContext {
     override val path: String = applicationCall.request.path()
     override val method: String = applicationCall.request.httpMethod.value
     override val headers: Map<String, String> = applicationCall.request
-            .headers
-            .toMap()
-            .mapValues { applicationCall.request.header(it.key) }
-            .filterValues { it != null }
-            .mapValues { it.value!! }
+        .headers
+        .toMap()
+        .mapValues { applicationCall.request.header(it.key) }
+        .filterValues { it != null }
+        .mapValues { it.value!! }
 
     override val queryParameters: Map<String, String> = applicationCall.request
-            .queryParameters
-            .toMap()
-            .filterValues { it.isNotEmpty() }
-            .mapValues { it.value.first() }
+        .queryParameters
+        .toMap()
+        .filterValues { it.isNotEmpty() }
+        .mapValues { it.value.first() }
 
     private var _formParameters: Map<String, String>? = null
     override val formParameters: Map<String, String>
@@ -39,9 +34,9 @@ class KtorCallContext(val applicationCall: ApplicationCall) : CallContext {
         if (_formParameters == null) {
             _formParameters = runBlocking {
                 applicationCall.receiveParameters()
-                        .toMap()
-                        .filterValues { it.isNotEmpty() }
-                        .mapValues { it.value.first() }
+                    .toMap()
+                    .filterValues { it.isNotEmpty() }
+                    .mapValues { it.value.first() }
             }
         }
 
@@ -59,8 +54,8 @@ class KtorCallContext(val applicationCall: ApplicationCall) : CallContext {
     override fun respondJson(content: Any) {
         runBlocking {
             applicationCall.respondText(
-                    JsonMapper.toJson(content),
-                    io.ktor.http.ContentType.Application.Json
+                JsonMapper.toJson(content),
+                io.ktor.http.ContentType.Application.Json
             )
         }
     }
diff --git a/oauth2-server-ktor/src/test/java/nl/myndocs/oauth2/ktor/integration/KtorIntegrationTest.kt b/oauth2-server-ktor/src/test/java/nl/myndocs/oauth2/ktor/integration/KtorIntegrationTest.kt
index 834d9b2..d3ced8d 100644
--- a/oauth2-server-ktor/src/test/java/nl/myndocs/oauth2/ktor/integration/KtorIntegrationTest.kt
+++ b/oauth2-server-ktor/src/test/java/nl/myndocs/oauth2/ktor/integration/KtorIntegrationTest.kt
@@ -1,6 +1,6 @@
 package nl.myndocs.oauth2.ktor.integration
 
-import io.ktor.application.install
+import io.ktor.server.application.install
 import io.ktor.server.engine.embeddedServer
 import io.ktor.server.netty.Netty
 import io.ktor.server.netty.NettyApplicationEngine
@@ -37,7 +37,7 @@ class KtorIntegrationTest : BaseIntegrationTest() {
 
     @AfterEach
     fun after() {
-        server!!.stop(0, 10, TimeUnit.SECONDS)
+        server!!.stop(0, 10000)
     }
 
 }
\ No newline at end of file
diff --git a/oauth2-server-sparkjava/pom.xml b/oauth2-server-sparkjava/pom.xml
index 2af8fd8..02aa86c 100644
--- a/oauth2-server-sparkjava/pom.xml
+++ b/oauth2-server-sparkjava/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
@@ -15,7 +15,7 @@
         <dependency>
             <groupId>com.sparkjava</groupId>
             <artifactId>spark-core</artifactId>
-            <version>2.8.0</version>
+            <version>2.9.3</version>
             <scope>provided</scope>
         </dependency>
         <dependency>
diff --git a/oauth2-server-token-store-inmemory/pom.xml b/oauth2-server-token-store-inmemory/pom.xml
index 7b04907..1e87b84 100644
--- a/oauth2-server-token-store-inmemory/pom.xml
+++ b/oauth2-server-token-store-inmemory/pom.xml
@@ -5,7 +5,7 @@
     <parent>
         <artifactId>kotlin-oauth2-server</artifactId>
         <groupId>nl.myndocs</groupId>
-        <version>0.7.1</version>
+        <version>0.7.2-SNAPSHOT</version>
     </parent>
     <modelVersion>4.0.0</modelVersion>
 
diff --git a/pom.xml b/pom.xml
index a025e5f..1370a83 100644
--- a/pom.xml
+++ b/pom.xml
@@ -7,7 +7,7 @@
     <groupId>nl.myndocs</groupId>
     <artifactId>kotlin-oauth2-server</artifactId>
     <packaging>pom</packaging>
-    <version>0.7.1</version>
+    <version>0.7.2-SNAPSHOT</version>
     <name>Kotlin OAuth2 server</name>
     <description>Flexible OAuth2 implementation</description>
     <url>https://github.com/myndocs/kotlin-oauth2-server</url>
@@ -31,7 +31,7 @@
     </scm>
 
     <properties>
-        <kotlin.version>1.3.31</kotlin.version>
+        <kotlin.version>1.6.21</kotlin.version>
         <maven.compiler.source>1.8</maven.compiler.source>
         <maven.compiler.target>1.8</maven.compiler.target>
         <dokka.version>1.6.21</dokka.version>
@@ -69,25 +69,25 @@
         <dependency>
             <groupId>org.junit.jupiter</groupId>
             <artifactId>junit-jupiter-engine</artifactId>
-            <version>5.2.0</version>
+            <version>5.8.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>io.mockk</groupId>
             <artifactId>mockk</artifactId>
-            <version>1.9.3</version>
+            <version>1.12.3</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.hamcrest</groupId>
             <artifactId>hamcrest-library</artifactId>
-            <version>1.3</version>
+            <version>2.2</version>
             <scope>test</scope>
         </dependency>
         <dependency>
             <groupId>org.slf4j</groupId>
             <artifactId>slf4j-simple</artifactId>
-            <version>1.7.25</version>
+            <version>1.7.36</version>
             <scope>test</scope>
         </dependency>
     </dependencies>