diff --git a/Mustang-CLI/pom.xml b/Mustang-CLI/pom.xml
index ce02e903..3e255533 100644
--- a/Mustang-CLI/pom.xml
+++ b/Mustang-CLI/pom.xml
@@ -13,7 +13,7 @@
     <packaging>jar</packaging>
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.release>17</maven.compiler.release>
     </properties>
     <dependencies>
         <!-- compile dependencies -->
@@ -118,8 +118,8 @@
                     <!-- http://stackoverflow.com/questions/574594/how-can-i-create-an-executable-jar-with-dependencies-using-maven
                              mvn clean compile assembly:single -->
                     <!-- or whatever version you use -->
-                    <source>11</source>
-                    <target>11</target>
+                    <source>17</source>
+                    <target>17</target>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/library/pom.xml b/library/pom.xml
index 24b28be1..f5e70039 100644
--- a/library/pom.xml
+++ b/library/pom.xml
@@ -44,7 +44,7 @@
         <github.global.server>github</github.global.server>
         <additionalparam>-Xdoclint:none</additionalparam>
         <!-- Skip error check for javadoc -->
-        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.release>17</maven.compiler.release>
         <maven.deploy.skip>true</maven.deploy.skip><!-- do deploy to maven central, parent project does not and inherits -->
     </properties>
     <dependencies>
@@ -169,8 +169,8 @@
                     <!-- http://stackoverflow.com/questions/574594/how-can-i-create-an-executable-jar-with-dependencies-using-maven
                         mvn clean compile assembly:single -->
                     <!-- or whatever version you use -->
-                    <source>11</source>
-                    <target>11</target>
+                    <source>17</source>
+                    <target>17</target>
                 </configuration>
             </plugin>
             <plugin>
diff --git a/pom.xml b/pom.xml
index 8c8cf4d7..8652dfd2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -28,7 +28,7 @@
         <github.global.server>github</github.global.server>
         <additionalparam>-Xdoclint:none</additionalparam>
         <!-- Skip error check for javadoc -->
-        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.release>17</maven.compiler.release>
         <maven.deploy.skip>true</maven.deploy.skip><!-- prevent this to be deployed to maven central as "core",
         we only want submodules, see also https://stackoverflow.com/questions/7446599/how-to-deploy-only-the-sub-modules-using-maven-deploy-->
 
diff --git a/validator/pom.xml b/validator/pom.xml
index 2a4de621..a8a6e256 100644
--- a/validator/pom.xml
+++ b/validator/pom.xml
@@ -26,7 +26,7 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <maven.deploy.skip>false</maven.deploy.skip><!-- do deploy to maven central, parent project does not and inherits -->
-        <maven.compiler.release>11</maven.compiler.release>
+        <maven.compiler.release>17</maven.compiler.release>
     </properties>
     <dependencies>
         <!-- compile dependencies -->
diff --git a/validator/src/test/java/org/mustangproject/validator/ResourcesTest.java b/validator/src/test/java/org/mustangproject/validator/ResourcesTest.java
index af9219dc..aa93f626 100644
--- a/validator/src/test/java/org/mustangproject/validator/ResourcesTest.java
+++ b/validator/src/test/java/org/mustangproject/validator/ResourcesTest.java
@@ -40,6 +40,7 @@ public class ResourcesTest {
 		//Config
 		private static final String RHINO_LOADER = "org.mozilla.javascript.DefiningClassLoader";
 		private static final String TEMP_DIR = "./tmp";
+		// TODO: Point to correct folder full of test zugferd examples
 		private static final String FILE_SOURCE = "./src/main/resources/classloader";
 		private static final boolean CREATE_HEAP_DUMP = false;