diff --git a/docs/book.toml b/docs/book.toml
index 8699f2c46f..3909bfe5fe 100644
--- a/docs/book.toml
+++ b/docs/book.toml
@@ -8,3 +8,4 @@ title = "The LibAFL Fuzzing Library"
 [output.html]
 
 [output.linkcheck]
+optional = true