diff --git a/free-programming-books-pl.md b/free-programming-books-pl.md
index db322e43e1a958db4b4c881b6553721274d59f24..db68a5206cfe2944170b71e60ac5d9524aef8fc3 100644
--- a/free-programming-books-pl.md
+++ b/free-programming-books-pl.md
@@ -43,7 +43,7 @@
 
 ### Bash
 
-* [Kurs Bash'a](http://dief.republika.pl/kursbasha.tar.gz) (tar.gz)
+* [Kurs Bash'a](http://web.archive.org/web/20180129013729/http://dief.republika.pl/kursbasha.tar.gz) (tar.gz)
 
 
 ### C