diff --git a/bearssl-sys/src/lib.rs b/bearssl-sys/src/lib.rs
index bb1900b..f297c0a 100644
--- a/bearssl-sys/src/lib.rs
+++ b/bearssl-sys/src/lib.rs
@@ -1,8 +1,16 @@
+#![doc = include_str!("../README.md")]
 #![no_std]
-#![allow(non_camel_case_types)]
-#![allow(non_snake_case)]
-#![allow(non_upper_case_globals)]
-#![allow(clippy::missing_safety_doc)]
+#![allow(clippy::missing_safety_doc, non_camel_case_types, non_snake_case, non_upper_case_globals)]
+#![deny(
+    clippy::expect_used,
+    clippy::panic,
+    clippy::panic_in_result_fn,
+    clippy::unwrap_in_result,
+    clippy::unwrap_used,
+    clippy::zero_ptr,
+    unused_lifetimes,
+    unused_qualifications
+)]
 
 #[cfg(feature = "dont-assume-size_t-equals-uintptr_t")]
 use libc::size_t;
diff --git a/bearssl/CREDITS.md b/bearssl/CREDITS.md
index 5d0d4d9..ba40f0e 100644
--- a/bearssl/CREDITS.md
+++ b/bearssl/CREDITS.md
@@ -25,3 +25,36 @@ ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF
 THIS SOFTWARE.
 Footer
 ```
+
+
+## RustCrypto Projects
+
+* General layout and `lib.rs` is inspired from how RustCrypto people do it.
+
+```
+Copyright (c) 2021 The RustCrypto Project Developers
+
+Permission is hereby granted, free of charge, to any
+person obtaining a copy of this software and associated
+documentation files (the "Software"), to deal in the
+Software without restriction, including without
+limitation the rights to use, copy, modify, merge,
+publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software
+is furnished to do so, subject to the following
+conditions:
+
+The above copyright notice and this permission notice
+shall be included in all copies or substantial portions
+of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
+ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
+TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
+PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
+SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
+IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+DEALINGS IN THE SOFTWARE.
+```
diff --git a/bearssl/src/lib.rs b/bearssl/src/lib.rs
index 406271d..831d2de 100644
--- a/bearssl/src/lib.rs
+++ b/bearssl/src/lib.rs
@@ -1,4 +1,15 @@
+#![doc = include_str!("../README.md")]
 #![no_std]
+#![deny(
+    clippy::expect_used,
+    clippy::panic,
+    clippy::panic_in_result_fn,
+    clippy::unwrap_in_result,
+    clippy::unwrap_used,
+    clippy::zero_ptr,
+    unused_lifetimes,
+    unused_qualifications
+)]
 
 #[cfg(feature = "std")]
 extern crate std;