diff --git a/build.gradle b/build.gradle
index e72c0b8..c471345 100644
--- a/build.gradle
+++ b/build.gradle
@@ -6,7 +6,12 @@ plugins {
 archivesBaseName = 'processor'
 version = gitVersion()
 
-java.toolchain.languageVersion = JavaLanguageVersion.of(8)
+java {
+    sourceCompatibility = JavaVersion.VERSION_1_8
+    targetCompatibility = JavaVersion.VERSION_1_8
+    withSourcesJar()
+    withJavadocJar()
+}
 
 repositories {
     mavenCentral()