diff --git a/pom.xml b/pom.xml
index c1cd3a1c9d..178fc9f707 100644
--- a/pom.xml
+++ b/pom.xml
@@ -22,7 +22,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <!-- Target Java 17 -->
-        <maven.compiler.source>21</maven.compiler.source>
+        <maven.compiler.source>17</maven.compiler.source>
         <maven.compiler.target>17</maven.compiler.target>
 
         <!-- Spigot properties -->
@@ -113,7 +113,7 @@
                         <!-- We can safely exclude them from the final jar -->
                         <exclude>**/package-info.java</exclude>
                     </excludes>
-                    <source>21</source>
+                    <source>17</source>
                     <target>17</target>
                     <annotationProcessorPaths>
                         <path>