diff --git a/retrofit/build.gradle b/retrofit/build.gradle
index 4fc6776c70..1c8ad7776e 100644
--- a/retrofit/build.gradle
+++ b/retrofit/build.gradle
@@ -46,10 +46,15 @@ dependencies {
   extraCompileOnly libs.okhttp.client
 }
 
-javadoc {
+tasks.named('javadoc', SourceTask) {
+  source(extra.allJava)
   exclude('retrofit2/internal/**')
 }
 
+tasks.named { it == 'sourcesJar' }.configureEach {
+  (it as Jar).from extra.allSource
+}
+
 tasks.named('jar', Jar) {
   from(extra.output)