diff --git a/srcpkgs/eigen/update b/srcpkgs/eigen/update
new file mode 100644
index 00000000000..7a93539c9a2
--- /dev/null
+++ b/srcpkgs/eigen/update
@@ -0,0 +1 @@
+pattern='eigen/get/\K[\d.]+(?=.tar.bz2)'