diff --git a/book/README.md b/book/README.md
index 75020fb1..ce7e193f 100644
--- a/book/README.md
+++ b/book/README.md
@@ -28,7 +28,7 @@ Like any good command line application, help is provided. This program can be im
 
 [include](code/intro.cpp)
 
-[Source code](https://gitlab.com/CLIUtils/CLI11Tutorial/blob/master/code/intro.cpp)
+[Source code](https://github.com/CLIUtils/CLI11/blob/master/book/code/intro.cpp)
 
 Unlike some other libraries, this is enough to exit correctly and cleanly if help is requested or if incorrect arguments are passed. You can try this example out for yourself. To compile with GCC:
 
@@ -58,7 +58,7 @@ This guide was based on CLI11 1.7.
 [GooFit]: https://github.com/GooFit/GooFit
 [DIANA/HEP]: http://diana-hep.org
 [CLI11]: https://github.com/CLIUtils/CLI11
-[CLI11Tutorial]: https://gitlab.com/CLIUtils/CLI11Tutorial
+[CLI11Tutorial]: https://cliutils.github.io/CLI11/book
 [releases]: https://github.com/CLIUtils/CLI11/releases
 [API docs]: https://cliutils.github.io/CLI11
 [README]: https://github.com/CLIUtils/CLI11/blob/master/README.md
diff --git a/book/chapters/an-advanced-example.md b/book/chapters/an-advanced-example.md
index 6a9bd265..2b20dde1 100644
--- a/book/chapters/an-advanced-example.md
+++ b/book/chapters/an-advanced-example.md
@@ -18,7 +18,7 @@ All that's need now is the parse call. We'll print a little message after the co
 
 [include:"Parse"](../code/geet.cpp)
 
-[Source code](https://gitlab.com/CLIUtils/CLI11Tutorial/blob/master/code/flags.cpp)
+[Source code](https://github.com/CLIUtils/CLI11/tree/master/book/code/geet.cpp)
 
 If you compile and run:
 
diff --git a/book/chapters/flags.md b/book/chapters/flags.md
index abab3067..08e5f1e7 100644
--- a/book/chapters/flags.md
+++ b/book/chapters/flags.md
@@ -73,7 +73,7 @@ The values would be used like this:
 
 [include:"usage"](../code/flags.cpp)
 
-[Source code](https://gitlab.com/CLIUtils/CLI11Tutorial/blob/master/code/flags.cpp)
+[Source code](https://github.com/CLIUtils/CLI11/tree/master/book/code/flags.cpp)
 
 If you compile and run: