diff --git a/pom.xml b/pom.xml
index 8862e16..a7ba8e5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -15,8 +15,8 @@
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
-        <maven.compiler.source>21</maven.compiler.source>
-        <maven.compiler.target>21</maven.compiler.target>
+        <maven.compiler.source>17</maven.compiler.source>
+        <maven.compiler.target>17</maven.compiler.target>
 
         <logback.version>1.4.7</logback.version>
         <forms_rt.version>7.0.3</forms_rt.version>