diff --git a/ethereumj-core/build.gradle b/ethereumj-core/build.gradle
index a338579c..f456aef6 100644
--- a/ethereumj-core/build.gradle
+++ b/ethereumj-core/build.gradle
@@ -75,3 +75,18 @@ javadoc {
         "http://netty.io/4.0/api/"
     )
 }
+
+task sourcesJar(type: Jar, dependsOn: classes) {
+    classifier = 'sources'
+    from sourceSets.main.allSource
+}
+
+task javadocJar(type: Jar) {
+    classifier = "javadoc"
+    from javadoc
+}
+
+artifacts {
+    archives sourcesJar
+    archives javadocJar
+}