diff --git a/gap-scscp.spec b/gap-scscp.spec
index 3b684bf..c75e7e9 100644
--- a/gap-scscp.spec
+++ b/gap-scscp.spec
@@ -24,7 +24,7 @@ License:        GPL-2.0+
 Group:          Productivity/Scientific/Math
 URL:            http://alexk.host.cs.st-andrews.ac.uk/scscp/
 
-Source:         http://www.gap-system.org/pub/gap/gap4/tar.bz2/packages/SCSCP-%version.tar.bz2
+Source:         https://www.gap-system.org/pub/gap/gap4/tar.bz2/packages/SCSCP-%version.tar.bz2
 BuildArch:      noarch
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  gap-rpm-devel