diff --git a/full/Changes b/full/Changes
index 90c30ed..ab8435c 100644
--- a/full/Changes
+++ b/full/Changes
@@ -2,6 +2,7 @@
 
 - Replaced javax.ws to jakarta.ws namespace (#648)
 - Upgrading Jersey 2.40 to 3.x (#646)
+- Updated Spring 5.x to 6.x and jetty 9.x to 11.x (#645)
 
 
 # version 0.71
diff --git a/full/pom.xml b/full/pom.xml
index 4660834..15fb79e 100644
--- a/full/pom.xml
+++ b/full/pom.xml
@@ -9,8 +9,8 @@
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 		<jersey.version>3.0.11</jersey.version>
 		<hibernate.version>5.6.15.Final</hibernate.version>
-		<spring.version>5.3.29</spring.version>
-		<jetty.version>9.4.51.v20230217</jetty.version>
+		<spring.version>6.0.11</spring.version>
+		<jetty.version>11.0.15</jetty.version>
 		<flyway.version>9.21.1</flyway.version>
 		<log4j.version>2.20.0</log4j.version>
 		<krill.version>[0.61.4,)</krill.version>
@@ -259,7 +259,7 @@
 
 		<dependency>
 			<groupId>org.glassfish.jersey.ext</groupId>
-			<artifactId>jersey-spring5</artifactId>
+			<artifactId>jersey-spring6</artifactId>
 			<version>${jersey.version}</version>
 			<exclusions>
 				<exclusion>
@@ -638,6 +638,12 @@
 			<version>0.1.0</version>
 		</dependency>
 		
+		<dependency>
+		    <groupId>jakarta.persistence</groupId>
+		    <artifactId>jakarta.persistence-api</artifactId>
+		    <version>3.1.0</version>
+		</dependency>
+
 		<!-- servlet -->
 		<dependency>
 		    <groupId>jakarta.servlet</groupId>
@@ -646,6 +652,7 @@
 		    <scope>provided</scope>
 		</dependency>
 
+		<!-- needed by apache Oltu -->
 		<dependency>
 			<groupId>javax.servlet</groupId>
 			<artifactId>javax.servlet-api</artifactId>
@@ -728,12 +735,14 @@
 			<artifactId>velocity-tools-generic</artifactId>
 			<version>3.1</version>
 		</dependency>
-		<!-- mail -->
+		
+		<!-- Mail -->
 		<dependency>
-			<groupId>com.sun.mail</groupId>
-			<artifactId>javax.mail</artifactId>
-			<version>1.6.2</version>
+		    <groupId>com.sun.mail</groupId>
+		    <artifactId>jakarta.mail</artifactId>
+		    <version>2.0.1</version>
 		</dependency>
+
 		<dependency>
 			<groupId>javax.activation</groupId>
 			<artifactId>activation</artifactId>
diff --git a/full/src/main/java/de/ids_mannheim/korap/server/KustvaktBaseServer.java b/full/src/main/java/de/ids_mannheim/korap/server/KustvaktBaseServer.java
index e7fa88e..ecd1ac9 100644
--- a/full/src/main/java/de/ids_mannheim/korap/server/KustvaktBaseServer.java
+++ b/full/src/main/java/de/ids_mannheim/korap/server/KustvaktBaseServer.java
@@ -8,8 +8,6 @@
 import java.security.NoSuchAlgorithmException;
 import java.util.Scanner;
 
-import javax.servlet.ServletContextListener;
-
 import org.eclipse.jetty.server.Connector;
 import org.eclipse.jetty.server.HttpConnectionFactory;
 import org.eclipse.jetty.server.Server;
@@ -25,6 +23,7 @@
 import de.ids_mannheim.korap.config.KustvaktConfiguration;
 import de.ids_mannheim.korap.encryption.RandomCodeGenerator;
 import de.ids_mannheim.korap.exceptions.KustvaktException;
+import jakarta.servlet.ServletContextListener;
 import lombok.Getter;
 import lombok.Setter;
 
diff --git a/full/src/main/java/de/ids_mannheim/korap/service/MailAuthenticator.java b/full/src/main/java/de/ids_mannheim/korap/service/MailAuthenticator.java
index a15d890..84397d5 100644
--- a/full/src/main/java/de/ids_mannheim/korap/service/MailAuthenticator.java
+++ b/full/src/main/java/de/ids_mannheim/korap/service/MailAuthenticator.java
@@ -1,7 +1,7 @@
 package de.ids_mannheim.korap.service;
 
-import javax.mail.Authenticator;
-import javax.mail.PasswordAuthentication;
+import jakarta.mail.Authenticator;
+import jakarta.mail.PasswordAuthentication;
 
 /** Defines Authenticator for creating javax.mail.Session.
  * 
diff --git a/full/src/main/java/de/ids_mannheim/korap/service/MailService.java b/full/src/main/java/de/ids_mannheim/korap/service/MailService.java
index 1aaebc5..0a6b2d4 100644
--- a/full/src/main/java/de/ids_mannheim/korap/service/MailService.java
+++ b/full/src/main/java/de/ids_mannheim/korap/service/MailService.java
@@ -3,9 +3,6 @@
 import java.io.StringWriter;
 import java.nio.charset.StandardCharsets;
 
-import javax.mail.internet.InternetAddress;
-import javax.mail.internet.MimeMessage;
-
 import org.apache.logging.log4j.LogManager;
 import org.apache.logging.log4j.Logger;
 import org.apache.velocity.VelocityContext;
@@ -22,6 +19,8 @@
 import de.ids_mannheim.korap.exceptions.KustvaktException;
 import de.ids_mannheim.korap.user.User;
 import de.ids_mannheim.korap.utils.ParameterChecker;
+import jakarta.mail.internet.InternetAddress;
+import jakarta.mail.internet.MimeMessage;
 
 /**
  * Manages mail related services, such as sending group member