diff --git a/guix/download.scm b/guix/download.scm
index 649e96b51b0c300a99609a2fca3a0990d562601d..4349719a9c264a307a3e47f40b8a83f3de7e085c 100644
--- a/guix/download.scm
+++ b/guix/download.scm
@@ -87,6 +87,8 @@ (define %mirrors
        "http://ftp.linux.org.uk/mirrors/ftp.gnome.org/"
        "http://ftp.gnome.org/pub/GNOME/"
        "http://mirror.yandex.ru/mirrors/ftp.gnome.org/")
+      (hackage
+       "https://hackage.haskell.org/")
       (savannah
        "http://download.savannah.gnu.org/releases/"
        "ftp://ftp.twaren.net/Unix/NonGNU/"