diff --git a/srcpkgs/osg/update b/srcpkgs/osg/update
new file mode 100644
index 00000000000..56e708c53d8
--- /dev/null
+++ b/srcpkgs/osg/update
@@ -0,0 +1 @@
+pattern='OpenSceneGraph-\K[\d]+\.([\d]+)?[02468]+\.[\d]+'