diff --git a/build.gradle b/build.gradle
index fd9a403..3b35dad 100644
--- a/build.gradle
+++ b/build.gradle
@@ -7,8 +7,8 @@ version = "$projectVersion"
 group = 'one.jpro'
 
 compileJava {
-    sourceCompatibility = 17
-    targetCompatibility = 17
+    sourceCompatibility = 11
+    targetCompatibility = 11
 }
 
 repositories {