diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm
index a34f91642e..ee447d3dd7 100644
--- a/gnu/packages/cran.scm
+++ b/gnu/packages/cran.scm
@@ -3,7 +3,7 @@
 ;;; Copyright © 2015 Andreas Enge <andreas@enge.fr>
 ;;; Copyright © 2016, 2017 Ben Woodcroft <donttrustben@gmail.com>
 ;;; Copyright © 2016, 2017, 2018 Roel Janssen <roel@gnu.org>
-;;; Copyright © 2017, 2018, 2019 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017, 2018, 2019, 2020 Tobias Geerinckx-Rice <me@tobias.gr>
 ;;; Copyright © 2017 Raoul Bonnal <ilpuccio.febo@gmail.com>
 ;;; Copyright © 2018 Vijayalakshmi Vedantham <vijimay12@gmail.com>
 ;;; Copyright © 2018 Sahithi Yarlagadda <sahi@swecha.net>
@@ -4513,7 +4513,7 @@ University Press, 2000.")
      `(("r-leaps" ,r-leaps)
        ("r-locfit" ,r-locfit)
        ("r-mgcv" ,r-mgcv)))
-    (home-page "http://www.stat.uiowa.edu/~kchan/TSA.htm")
+    (home-page "https://homepage.divms.uiowa.edu/~kchan/TSA.htm")
     (synopsis "Time series analysis")
     (description
      "This package contains R functions and datasets detailed in the book