diff --git a/bind/bind.install b/bind/bind.install
new file mode 100644
index 0000000000..8cf5b161e7
--- /dev/null
+++ b/bind/bind.install
@@ -0,0 +1,10 @@
+## arg 1:  the new package version
+## arg 2:  the old package version
+post_upgrade() {
+  (( $(vercmp "$2" '9.14.8-2') > 0 )) || cat <<EOF
+==> Switched to geoip2 databases.
+==> Remember to update your configuration if you use geoip features.
+EOF
+}
+
+# vim:set ts=2 sw=2 ft=sh et: