diff --git a/build.gradle.kts b/build.gradle.kts
index 7ca9582..8a098d6 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -104,6 +104,7 @@ subprojects {
         create<MavenPublication>("maven") {
           from(components["kotlin"])
           artifact(tasks.named<Jar>("javadocJar"))
+          artifact(tasks.named<Jar>("sourcesJar"))
           pom {
             name = "xemantic-kotlin-swing-dsl"
             description = "Kotlin goodies for Java Swing"