diff --git a/build.gradle b/build.gradle
index cc44b8d08a..d3f9924f79 100644
--- a/build.gradle
+++ b/build.gradle
@@ -318,6 +318,11 @@ project(":core"){
         }
     }
 
+    task sourcesJar(type: Jar, dependsOn: classes){
+        classifier = 'sources'
+        from sourceSets.main.allSource
+    }
+
     dependencies{
         compileJava.dependsOn(preGen)