diff --git a/build-tools/stx/debian-image.inc b/build-tools/stx/debian-image.inc
index 2f2e4c6d..b88dd145 100644
--- a/build-tools/stx/debian-image.inc
+++ b/build-tools/stx/debian-image.inc
@@ -306,6 +306,7 @@ tcpdump
 time
 traceroute
 tuned
+tzdata
 udhcpc
 unzip
 uwsgi-plugin-apparmor