diff --git a/tools/zim_update b/tools/zim_update
index 38c9e38..6842546 100644
--- a/tools/zim_update
+++ b/tools/zim_update
@@ -1,6 +1,7 @@
 #
 # zim_update - update the zim repository
 #
+print -u2 -P '%F{yellow}WARNING: This version of Zim will be deprecated in a future update in favor of Zim version 1.0.0. Manually install Zim 1.0.0 to continue receiving updates. See https://github.com/zimfw/zimfw/pull/323%f'
 
 cd ${ZIM_HOME}