diff --git a/pom.xml b/pom.xml
index b8c9350029f9fc75842d57dbceba616e15921b92..00cecae4b603bb2ef7a769e8effa5db5010b47d5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -8,8 +8,8 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>21.0.1</maven.compiler.source>
-        <maven.compiler.target>21.0.1</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
         <javafx.base.version>21.0.1</javafx.base.version>
         <javafx.module.name>gui</javafx.module.name>
     </properties>