diff --git a/builder/scripts/mkimage-alpine.bash b/builder/scripts/mkimage-alpine.bash
index b6db4c5b..ff4b4f33 100755
--- a/builder/scripts/mkimage-alpine.bash
+++ b/builder/scripts/mkimage-alpine.bash
@@ -6,7 +6,7 @@
 # Luis Lavena (luislavena).
 
 declare REL="${REL:-edge}"
-declare MIRROR="${MIRROR:-http://nl.alpinelinux.org/alpine}"
+declare MIRROR="${MIRROR:-https://nl.alpinelinux.org/alpine}"
 
 set -eo pipefail; [[ "$TRACE" ]] && set -x