diff --git a/_multibuild b/_multibuild
new file mode 100644
index 0000000..1cc75aa
--- /dev/null
+++ b/_multibuild
@@ -0,0 +1,6 @@
+<multibuild>
+  <package>ant-antlr</package>
+  <package>ant-junit</package>
+  <package>ant-junit5</package>
+</multibuild>
+
diff --git a/ant-antlr.changes b/ant-antlr.changes
index 5e0b3c9..62d3524 100644
--- a/ant-antlr.changes
+++ b/ant-antlr.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 12:48:37 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.
+
 -------------------------------------------------------------------
 Thu Jan 26 06:54:09 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/ant-junit.changes b/ant-junit.changes
index 5e0b3c9..62d3524 100644
--- a/ant-junit.changes
+++ b/ant-junit.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 12:48:37 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.
+
 -------------------------------------------------------------------
 Thu Jan 26 06:54:09 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/ant-junit5.changes b/ant-junit5.changes
index 5e0b3c9..62d3524 100644
--- a/ant-junit5.changes
+++ b/ant-junit5.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 12:48:37 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.
+
 -------------------------------------------------------------------
 Thu Jan 26 06:54:09 UTC 2023 - Fridrich Strba <fstrba@suse.com>
 
diff --git a/ant.changes b/ant.changes
index 5e0b3c9..62d3524 100644
--- a/ant.changes
+++ b/ant.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Thu May  4 12:48:37 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.
+
 -------------------------------------------------------------------
 Thu Jan 26 06:54:09 UTC 2023 - Fridrich Strba <fstrba@suse.com>