diff --git a/deps/autoconf-archive/autoconf-archive.SlackBuild b/deps/autoconf-archive/autoconf-archive.SlackBuild
index ca112ad..baf7adf 100644
--- a/deps/autoconf-archive/autoconf-archive.SlackBuild
+++ b/deps/autoconf-archive/autoconf-archive.SlackBuild
@@ -35,7 +35,7 @@ if [ -z "$ARCH" ]; then
   esac
 fi
 
-wget -c http://ftpmirror.gnu.org/autoconf-archive/$PRGNAM-$VERSION.tar.xz
+wget -c https://ftpmirror.gnu.org/autoconf-archive/$PRGNAM-$VERSION.tar.xz
 
 CWD=$(pwd)
 TMP=${TMP:-/tmp/msb}