diff --git a/docs/book.toml b/docs/book.toml
index effc838668..a05881c58e 100644
--- a/docs/book.toml
+++ b/docs/book.toml
@@ -10,5 +10,6 @@ create-missing = false
 theme = "theme"
 
 [output.linkcheck]
-# Exclude some special links and `README.md` which cause false-positive errors
-exclude = [ 'http://192\.168\.1\.88', 'http://localhost', 'LATEST_SOLANA_RELEASE_VERSION', 'README\.md' ]
+# Exclude some special links and `README.md` which causes false-positive errors
+# Also, crates.io returns 404 for correct links accessed from curl and linkcheck
+exclude = [ 'http://192\.168\.1\.88', 'http://localhost', 'LATEST_SOLANA_RELEASE_VERSION', 'README\.md', 'https://crates\.io' ]