diff --git a/Makefile b/Makefile
index 70346187..051df94c 100644
--- a/Makefile
+++ b/Makefile
@@ -51,7 +51,7 @@ clippy:
 clippy-nightly:
 	touch src/main.rs
 	cargo clean -p gitui -p asyncgit -p scopetime -p filetree -p async_utils
-	cargo +nightly clippy --all-features
+	cargo +nightly clippy --workspace --all-features
 
 check: fmt clippy test
 
diff --git a/async_utils/src/lib.rs b/async_utils/src/lib.rs
index 2a3edeb5..a066e7b5 100644
--- a/async_utils/src/lib.rs
+++ b/async_utils/src/lib.rs
@@ -1,3 +1,21 @@
+// #![forbid(missing_docs)]
+#![deny(unsafe_code)]
+#![deny(unused_imports)]
+#![deny(unused_must_use)]
+#![deny(dead_code)]
+#![deny(unstable_name_collisions)]
+#![deny(clippy::all, clippy::perf, clippy::nursery, clippy::pedantic)]
+#![deny(clippy::expect_used)]
+#![deny(clippy::filetype_is_file)]
+#![deny(clippy::cargo)]
+#![deny(clippy::unwrap_used)]
+#![deny(clippy::panic)]
+#![deny(clippy::match_like_matches_macro)]
+#![deny(clippy::needless_update)]
+#![allow(clippy::module_name_repetitions)]
+#![allow(clippy::must_use_candidate)]
+#![allow(clippy::missing_errors_doc)]
+
 mod error;
 
 use crossbeam_channel::Sender;