diff --git a/.backup/brew_packages b/.backup/brew_packages
index 1fd9d7a..5891dd0 100644
--- a/.backup/brew_packages
+++ b/.backup/brew_packages
@@ -216,5 +216,6 @@ yarn
 you-get
 youtube-dl
 zeromq
+zsh-history-substring-search
 zsh-syntax-highlighting
 zstd
diff --git a/.backup/crontab-20201211-070100.gz b/.backup/crontab-20201211-070100.gz
new file mode 100644
index 0000000..168e131
Binary files /dev/null and b/.backup/crontab-20201211-070100.gz differ