diff --git a/cluster/templates/salt-minion.sh b/cluster/templates/salt-minion.sh
index b8e07db1fbe..7cc8176f32c 100755
--- a/cluster/templates/salt-minion.sh
+++ b/cluster/templates/salt-minion.sh
@@ -38,4 +38,4 @@ EOF
 #
 # We specify -X to avoid a race condition that can cause minion failure to
 # install.  See https://github.com/saltstack/salt-bootstrap/issues/270
-curl -L --connect-timeout 20 --retry 6 --retry-delay 10 http://bootstrap.saltstack.com | sh -s -- -X
+curl -L --connect-timeout 20 --retry 6 --retry-delay 10 https://bootstrap.saltstack.com | sh -s -- -X