diff --git a/srcpkgs/retroshare/update b/srcpkgs/retroshare/update
new file mode 100644
index 00000000000..53524f931db
--- /dev/null
+++ b/srcpkgs/retroshare/update
@@ -0,0 +1 @@
+pattern='_\K[\d]+\.[\d]+\.[\d+](.RC[\d]+])?'