diff --git a/jso/core/build.gradle.kts b/jso/core/build.gradle.kts
index a55b96529..4d0279616 100644
--- a/jso/core/build.gradle.kts
+++ b/jso/core/build.gradle.kts
@@ -32,4 +32,10 @@ dependencies {
 
 teavmPublish {
     artifactId = "teavm-jso"
-}
\ No newline at end of file
+}
+
+tasks.withType<Jar> {
+    manifest {
+        attributes["Automatic-Module-Name"] = "org.teavm.jso"
+    }
+}