diff --git a/srcpkgs/vapoursynth/update b/srcpkgs/vapoursynth/update
new file mode 100644
index 00000000000..30da794b6bd
--- /dev/null
+++ b/srcpkgs/vapoursynth/update
@@ -0,0 +1 @@
+pattern='\KR[\d\.]+(?=<)'