diff --git a/pom.xml b/pom.xml
index 9b2666a..2e5b9e3 100644
--- a/pom.xml
+++ b/pom.xml
@@ -17,8 +17,8 @@
 	</scm>
 	<properties>
 		<github.repository>malkusch/km200</github.repository>
-		<maven.compiler.source>17</maven.compiler.source>
-		<maven.compiler.target>17</maven.compiler.target>
+		<maven.compiler.source>21</maven.compiler.source>
+		<maven.compiler.target>21</maven.compiler.target>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 	<dependencies>