diff --git a/srcpkgs/zfs-auto-snapshot/update b/srcpkgs/zfs-auto-snapshot/update
new file mode 100644
index 00000000000..f64124553d5
--- /dev/null
+++ b/srcpkgs/zfs-auto-snapshot/update
@@ -0,0 +1 @@
+pattern="upstream/\K[\d\.]*(?=\.tar\.gz)"