diff --git a/.github/workflows/continuous-integration.yml b/.github/workflows/continuous-integration.yml
index eaabac9c..98492197 100644
--- a/.github/workflows/continuous-integration.yml
+++ b/.github/workflows/continuous-integration.yml
@@ -17,7 +17,7 @@ concurrency:
   cancel-in-progress: true
 
 env:
-  JAVA_VERSION: 11
+  JAVA_VERSION: 17
 
   CACHE_MAVEN_NAME: ma2aen
   CACHE_SONAR_NAME: sonar
diff --git a/pom.xml b/pom.xml
index 7a87c5e1..d2d46174 100644
--- a/pom.xml
+++ b/pom.xml
@@ -36,13 +36,13 @@
   </licenses>
 
   <properties>
-    <java.version>11</java.version>
+    <java.version>17</java.version>
     <maven.compiler.source>${java.version}</maven.compiler.source>
     <maven.compiler.target>${java.version}</maven.compiler.target>
     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
     <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
 
-    <version.taskana>6.2.1-SNAPSHOT</version.taskana>
+    <version.taskana>7.0.0</version.taskana>
 
     <!-- build dependencies -->
     <version.checkstyle>10.9.3</version.checkstyle>
diff --git a/taskana-adapter-camunda-listener-example/pom.xml b/taskana-adapter-camunda-listener-example/pom.xml
index 2dcc6b57..aa3c2ad7 100644
--- a/taskana-adapter-camunda-listener-example/pom.xml
+++ b/taskana-adapter-camunda-listener-example/pom.xml
@@ -125,6 +125,14 @@
   <build>
     <finalName>${project.artifactId}</finalName>
     <plugins>
+      <plugin>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>${version.maven-war-plugin}</version>
+        <configuration>
+          <attachClasses>true</attachClasses>
+          <failOnMissingWebXml>false</failOnMissingWebXml>
+        </configuration>
+      </plugin>
       <plugin>
         <!-- Deploy to JBoss AS7: mvn clean jboss-as:deploy See also: https://docs.jboss.org/jbossas/7/plugins/maven/latest/examples/deployment-example.html -->
         <groupId>org.jboss.as.plugins</groupId>
diff --git a/taskana-adapter-camunda-wildfly-example/pom.xml b/taskana-adapter-camunda-wildfly-example/pom.xml
index 81736e47..11fa7f1e 100644
--- a/taskana-adapter-camunda-wildfly-example/pom.xml
+++ b/taskana-adapter-camunda-wildfly-example/pom.xml
@@ -155,6 +155,14 @@
         <artifactId>spring-boot-maven-plugin</artifactId>
         <version>${version.maven.spring-boot}</version>
       </plugin>
+      <plugin>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>${version.maven-war-plugin}</version>
+        <configuration>
+          <attachClasses>true</attachClasses>
+          <failOnMissingWebXml>false</failOnMissingWebXml>
+        </configuration>
+      </plugin>
       <plugin>
         <groupId>org.wildfly.plugins</groupId>
         <artifactId>wildfly-maven-plugin</artifactId>