diff --git a/srcpkgs/desmume/update b/srcpkgs/desmume/update
new file mode 100644
index 0000000000..631a66c30e
--- /dev/null
+++ b/srcpkgs/desmume/update
@@ -0,0 +1 @@
+pattern="${pkgname}-\K[\d.]+(?=\.tar)"