533a2819196db2e29d5eb30b0bbf946802211a13

 1diff --git a/templates/zshrc.zsh-template b/templates/zshrc.zsh-template
 2index e525532414557e76e924159dc592ea61fe635bb2..758fc26b8b1268b9f2b25f38d52d06bf936e255a 100644
 3--- a/templates/zshrc.zsh-template
 4+++ b/templates/zshrc.zsh-template
 5@@ -17,6 +17,9 @@ ZSH_THEME="robbyrussell"
 6 # Comment this out to disable weekly auto-update checks
 7 # DISABLE_AUTO_UPDATE="true"
 8 
 9+# Change this value to set how frequently ZSH updates¬
10+export UPDATE_ZSH_DAYS=13
11+
12 # Uncomment following line if you want to disable colors in ls
13 # DISABLE_LS_COLORS="true"
14 
15diff --git a/tools/check_for_upgrade.sh b/tools/check_for_upgrade.sh
16index 612901cbe5e122b8a3ac0ebe3b5e72b4c3948b58..581f03a07f3a56a84e55b033e4f86c5d8778c39c 100644
17--- a/tools/check_for_upgrade.sh
18+++ b/tools/check_for_upgrade.sh
19@@ -14,6 +14,12 @@ function _upgrade_zsh() {
20   _update_zsh_update
21 }
22 
23+epoch_target=$UPDATE_ZSH_DAYS
24+if [[ -z "$epoch_target" ]]; then
25+  # Default to old behavior
26+  epoch_target=13
27+fi
28+
29 if [ -f ~/.zsh-update ]
30 then
31   . ~/.zsh-update
32@@ -23,7 +29,7 @@ then
33   fi
34 
35   epoch_diff=$(($(_current_epoch) - $LAST_EPOCH))
36-  if [ $epoch_diff -gt 13 ]
37+  if [ $epoch_diff -gt $epoch_target ]
38   then
39     if [ "$DISABLE_UPDATE_PROMPT" = "true" ]
40     then