diff --git a/src/lib.rs b/src/lib.rs
index 6c7659607..a1b61105e 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -82,6 +82,7 @@
     feature = "cargo-clippy",
     allow(decimal_literal_representation, suspicious_arithmetic_impl)
 )]
+#![warn(missing_docs)]
 
 #[macro_use]
 extern crate log;