From df825715ba53bfd6129625332e2122594907161d Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BD=97=E6=B3=BD=E8=BD=A9?= <spacewanderlzx@gmail.com>
Date: Wed, 19 Apr 2023 16:57:04 +0800
Subject: [PATCH] Need bash 4.0+ (#1038)

---
 Installation.md | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Installation.md b/Installation.md
index 3341162..a18ff4a 100644
--- a/Installation.md
+++ b/Installation.md
@@ -8,6 +8,10 @@ You may need to install them manually.
 Those dependencies are listed below:
 
 * column
+* bash 4.0+
+
+If `bash --version` shows a lower version, you need to update it.
+For example, the default bash in Mac is usually too old and you may need to update it via `brew install bash`.
 
 ## Installing with a package manager