diff --git a/build.gradle.kts b/build.gradle.kts
index 052e3c22..cf4c17ec 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,6 +6,7 @@ plugins {
 }
 
 version = "0.7.4"
+group = "org.asamk.signal"
 
 java {
     sourceCompatibility = JavaVersion.VERSION_11
@@ -44,7 +45,10 @@ tasks.withType<Jar> {
         attributes(
                 "Implementation-Title" to project.name,
                 "Implementation-Version" to project.version,
-                "Main-Class" to application.mainClass.get()
+                "Main-Class" to application.mainClass.get(),
+                "Automatic-Module-Name" to project.name,
+                // Custom (non-standard) attribute
+                "Maven-Group" to project.group
         )
     }
 }
diff --git a/lib/build.gradle.kts b/lib/build.gradle.kts
index b9dfbc21..ce7142a1 100644
--- a/lib/build.gradle.kts
+++ b/lib/build.gradle.kts
@@ -26,6 +26,19 @@ configurations {
     }
 }
 
+tasks.withType<Jar> {
+    manifest {
+        attributes(
+            "Implementation-Title" to project.name,
+            "Implementation-Version" to project.version,
+            // use a more meaningful name than 'lib'
+            "Automatic-Module-Name" to "signal-lib",
+            // Custom (non-standard) attribute
+            "Maven-Group" to project.group
+        )
+    }
+}
+
 tasks.withType<JavaCompile> {
     options.encoding = "UTF-8"
 }