diff --git a/srcpkgs/tarsnap/update b/srcpkgs/tarsnap/update
new file mode 100644
index 00000000000..9f9bc73c6e5
--- /dev/null
+++ b/srcpkgs/tarsnap/update
@@ -0,0 +1,2 @@
+site="https://www.tarsnap.com/download.html"
+pattern="${pkgname}-autoconf-\K[\d.]+(?=.tgz)"