diff --git a/trymcp-day01-image/scripts/salt.sh b/trymcp-day01-image/scripts/salt.sh
index ed696f4..2161aaf 100644
--- a/trymcp-day01-image/scripts/salt.sh
+++ b/trymcp-day01-image/scripts/salt.sh
@@ -1,7 +1,7 @@
 #!/bin/bash -xe
 
-FORMULA_VERSION=${FORMULA_VERSION:-2018.3.1}
-APT_MIRANTIS_SALT_REPO=${APT_MIRANTIS_SALT_REPO:-"http://apt.mirantis.com/xenial/ $FORMULA_VERSION salt"}
+MCP_VERSION=${MCP_VERSION:-proposed}
+APT_MIRANTIS_SALT_REPO=${APT_MIRANTIS_SALT_REPO:-"http://apt.mirantis.com/xenial/ $MCP_VERSION salt"}
 SALT_OPTS="-t 10 --retcode-passthrough --no-color"
 
 echo "deb [arch=amd64] ${APT_MIRANTIS_SALT_REPO}" > /etc/apt/sources.list.d/mcp_salt.list