diff --git a/README.md b/README.md
index 7af7059f..bc1a7137 100644
--- a/README.md
+++ b/README.md
@@ -277,7 +277,7 @@ When learning CS, there are some useful sites you must know to get always inform
 - [Bash Programming](http://tldp.org/HOWTO/Bash-Prog-Intro-HOWTO.html) : by Mike G mikkey at dynamo.com.ar
 - [Bash Reference Manual](https://www.gnu.org/software/bash/manual/bashref.html) : Bash Reference Manual
 - [BashGuide](http://mywiki.wooledge.org/BashGuide) : BashGuide - Greg's Wiki
-- [Conquering the Command Line](http://conqueringthecommandline.com/book/frontmatter) : Unix and Linux Commands for Developers
+- [Conquering the Command Line](https://www.softcover.io/read/fc6c09de/unix_commands) : Unix and Linux Commands for Developers
 - [Airborn OS](https://www.airbornos.com) :  Private Google Docs Alternative
 - [Commandlinefu](https://www.commandlinefu.com/commands/browse) : An extensive collection of Shell oneliners that can save your day on many occasions
 - [Pure Bash Bible](https://github.com/dylanaraps/pure-bash-bible) : A collection of pure bash alternatives to external processes.