diff --git a/sqlx-mysql/src/lib.rs b/sqlx-mysql/src/lib.rs
index d77d0daf..c35be3c6 100644
--- a/sqlx-mysql/src/lib.rs
+++ b/sqlx-mysql/src/lib.rs
@@ -1,4 +1,7 @@
 //! **MySQL** database driver.
+#![deny(clippy::cast_possible_truncation)]
+#![deny(clippy::cast_possible_wrap)]
+#![deny(clippy::cast_sign_loss)]
 
 #[macro_use]
 extern crate sqlx_core;