diff --git a/srcpkgs/libcgroup/update b/srcpkgs/libcgroup/update
new file mode 100644
index 0000000000..d395a5b230
--- /dev/null
+++ b/srcpkgs/libcgroup/update
@@ -0,0 +1 @@
+pattern="${pkgname}-v?\K[\d.]+(?=\.tar)"