diff --git a/srcpkgs/firefox/update b/srcpkgs/firefox/update
new file mode 100644
index 00000000000..9b57a78bf72
--- /dev/null
+++ b/srcpkgs/firefox/update
@@ -0,0 +1,2 @@
+pattern="href=\"\K[\d.]+(?=/\")"
+site="${MOZILLA_SITE}/firefox/releases/"