diff --git a/srcpkgs/re2/update b/srcpkgs/re2/update
new file mode 100644
index 00000000000..0a8a22bb62e
--- /dev/null
+++ b/srcpkgs/re2/update
@@ -0,0 +1 @@
+pattern="\K[\d\-]*([\d\-]+)(?=\.tar\.gz)"