diff --git a/srcpkgs/libsigc++/update b/srcpkgs/libsigc++/update
new file mode 100644
index 00000000000..0d3fa3bab91
--- /dev/null
+++ b/srcpkgs/libsigc++/update
@@ -0,0 +1 @@
+pattern="libsigc\+\+-\K[0-9]\.[0-9]*[02468]\.[0-9.]*[0-9](?=)"