diff --git a/srcpkgs/zsnes/update b/srcpkgs/zsnes/update
new file mode 100644
index 00000000000..25f176ff10f
--- /dev/null
+++ b/srcpkgs/zsnes/update
@@ -0,0 +1,2 @@
+version="${version//./}"
+ignore="*[!0-9]"