diff --git a/podman-wpamapsta/50_update.sh b/podman-wpamapsta/50_update.sh
new file mode 100755
index 0000000..989f09c
--- /dev/null
+++ b/podman-wpamapsta/50_update.sh
@@ -0,0 +1,64 @@
+#!/usr/bin/env bash
+
+ABSDIR="$( dirname "$(readlink -f -- "$0")" )"
+source ${ABSDIR}/../functions.sh
+source ${ABSDIR}/vars.sh
+
+ensure_pwd_is_scriptdir
+ensure_not_root
+
+ensure_pod_exists ${pod_name}
+ensure_systemd_unit_exists ${service_name}
+ensure_variables_are_defined "$envvars"
+
+current_version=$(podman container list -a --format "{{.Image}}" | grep wordpress | awk -F: '{print $NF}')
+
+reinstall_please () {
+    for image in ${upstream_images}; do
+	if ! podman image exists ${wp_image}:${wp_version}; then
+	    podman image pull ${wp_image}:${wp_version} || exit 1
+	fi
+    done &&
+    check_pod_running ${pod_name} && ./40_stop.sh
+    ./70_disable.sh && \
+    ./80_destroy.sh && \
+    ./10_install.sh && \
+    ./20_enable.sh && \
+    ./30_start.sh
+}
+
+cleanup_images () {
+    echo "Remove ${current_version} images?"
+    select yn in "Yes" "No"; do
+	case $yn in
+	    Yes)
+		podman image rm ${wp_image}:${current_version}
+		exit 0
+		;;
+	    No)
+		exit 0
+		;;
+	esac
+    done
+}
+
+if [ ${current_version} != ${wp_version} ]; then
+    if [[ "${current_version}" > "${wp_version}" ]]; then
+	echo "WARNING : you are about to DOWNGRADE your installation"
+    fi
+    echo "Migrating from ${current_version} to ${wp_version}. Proceed?"
+    select yn in "Yes" "No"; do
+	case $yn in
+	    Yes)
+		reinstall_please && \
+		cleanup_images
+		exit 0
+		;;
+	    No)
+		exit 0
+		;;
+	esac
+	done
+else
+    echo "Already using version ${wp_version}. Exiting."
+fi