diff --git a/build.gradle b/build.gradle
index e8b4202..73d1dd1 100644
--- a/build.gradle
+++ b/build.gradle
@@ -11,14 +11,15 @@ description = 'Scheduler Service Backend API Server'
 java {
 	toolchain {
 		languageVersion = JavaLanguageVersion.of(21)
-		// vendor = JvmVendorSpec.ADOPTOPENJDK
+		vendor = JvmVendorSpec.ADOPTOPENJDK
 	}
 }
 
-// tasks.withType(JavaCompile) {
+tasks.withType(JavaCompile) {
+	options.release.set(21)
 // 	sourceCompatibility = '21'
 // 	targetCompatibility = '21'
-// }
+}
 configurations {
 	compileOnly {
 		extendsFrom annotationProcessor