diff --git a/package.yml b/package.yml
--- a/package.yml
+++ b/package.yml
@@ -4,6 +4,7 @@
 source     :
     - https://github.com/lcn2/calc/releases/download/2.12.7.1/calc-2.12.7.1.tar.bz2 : eb1dc5dd680019e30264109167e20539fe9ac869049d8b1639781a51d1dea84c
 license    : LGPL-2.1-or-later
+homepage   : http://www.isthe.com/chongo/tech/comp/calc/index.html
 component  : office.maths
 summary    : C-style arbitrary precision calculator
 description: |