diff --git a/_multibuild b/_multibuild
new file mode 100644
index 0000000..9f12701
--- /dev/null
+++ b/_multibuild
@@ -0,0 +1,4 @@
+<multibuild>
+  <package>java-cup-bootstrap</package>
+</multibuild>
+
diff --git a/java-cup-bootstrap.changes b/java-cup-bootstrap.changes
index 9648ad8..9da15d7 100644
--- a/java-cup-bootstrap.changes
+++ b/java-cup-bootstrap.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 13:47:27 UTC 2023 - Frederic Crozat <fcrozat@suse.com>
+
+- Add _multibuild to define additional spec files as additional
+  flavors.
+  Eliminates the need for source package links in OBS.
+
 -------------------------------------------------------------------
 Mon Mar 14 13:15:42 UTC 2022 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/java-cup-bootstrap.spec b/java-cup-bootstrap.spec
index f775d90..b9b2d2e 100644
--- a/java-cup-bootstrap.spec
+++ b/java-cup-bootstrap.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package java-cup-bootstrap
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
diff --git a/java-cup.changes b/java-cup.changes
index 9648ad8..9da15d7 100644
--- a/java-cup.changes
+++ b/java-cup.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 13:47:27 UTC 2023 - Frederic Crozat <fcrozat@suse.com>
+
+- Add _multibuild to define additional spec files as additional
+  flavors.
+  Eliminates the need for source package links in OBS.
+
 -------------------------------------------------------------------
 Mon Mar 14 13:15:42 UTC 2022 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/java-cup.spec b/java-cup.spec
index ca8ef47..6f15651 100644
--- a/java-cup.spec
+++ b/java-cup.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package java-cup
 #
-# Copyright (c) 2022 SUSE LLC
+# Copyright (c) 2023 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed