diff --git a/book.toml b/book.toml
index 82a6b59b..94b0e6d8 100644
--- a/book.toml
+++ b/book.toml
@@ -7,6 +7,7 @@ description = "A guide to developing rustc"
 create-missing = false
 
 [output.html]
+git-repository-url = "https://github.com/rust-lang/rustc-guide"
 
 [output.html.fold]
 enable = true