diff --git a/srcpkgs/tectonic/update b/srcpkgs/tectonic/update
new file mode 100644
index 00000000000..93131668f69
--- /dev/null
+++ b/srcpkgs/tectonic/update
@@ -0,0 +1 @@
+pattern="tectonic@\K[\d.]+(?=.tar.gz)"