diff --git a/README.md b/README.md
index 9e065814..93d8e97a 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ The async book is built with [`mdbook`] ([docs](https://rust-lang.github.io/mdBo
 
 ```
 cargo install mdbook
-cargo install mdbook-linkcheck
+cargo install mdbook-linkcheck2
 ```
 
 [`mdbook`]: https://github.com/rust-lang/mdBook
diff --git a/book.toml b/book.toml
index 4520ddb1..ff305e3a 100644
--- a/book.toml
+++ b/book.toml
@@ -9,7 +9,7 @@ create-missing = false
 git-repository-url = "https://github.com/rust-lang/async-book"
 site-url = "/async-book/"
 
-[output.linkcheck]
+[output.linkcheck2]
 follow-web-links = true
 traverse-parent-directories = false
 exclude = [ 'blog\.cloudflare\.com' ]