diff --git a/free-programming-books.md b/free-programming-books.md
index b2fd9203556b65e5887baa5c42455d6023aac7f3..e7f8a73db62ed447521392113bcde030da60c3ea 100644
--- a/free-programming-books.md
+++ b/free-programming-books.md
@@ -1158,7 +1158,7 @@
 * [Go by Example](https://gobyexample.com)
 * [Go for Javascript Developers](https://github.com/bulim/go-for-javascript-developers)
 * [Learning Go](https://miek.nl/go/)
-* [Let's learn Go!](http://go-book.appspot.com)
+* [Let's learn Go!](http://go-book.readthedocs.io/en/latest/)
 * [Network programming with Go](https://jan.newmarch.name/go/)
 * [Practical Cryptography With Go](https://leanpub.com/gocrypto/read)
 * [The Go Tutorial](http://tour.golang.org)