diff --git a/cmov/src/lib.rs b/cmov/src/lib.rs
index 404f3cec..b63bb9c0 100644
--- a/cmov/src/lib.rs
+++ b/cmov/src/lib.rs
@@ -17,6 +17,7 @@
     clippy::std_instead_of_alloc,
     clippy::std_instead_of_core,
     clippy::unwrap_used,
+    missing_copy_implementations,
     missing_debug_implementations,
     missing_docs,
     rust_2018_idioms,
diff --git a/ctutils/src/ct_option.rs b/ctutils/src/ct_option.rs
index 43ab1274..3cbc32e4 100644
--- a/ctutils/src/ct_option.rs
+++ b/ctutils/src/ct_option.rs
@@ -622,7 +622,7 @@ mod tests {
     #[test]
     fn map_macro() {
         assert!(map!(NONE, u16::from).is_none().to_bool());
-        assert_eq!(map!(SOME, u16::from).unwrap(), VALUE as u16);
+        assert_eq!(map!(SOME, u16::from).unwrap(), u16::from(VALUE));
     }
 
     #[test]
diff --git a/ctutils/src/lib.rs b/ctutils/src/lib.rs
index c8dabd84..8756f2eb 100644
--- a/ctutils/src/lib.rs
+++ b/ctutils/src/lib.rs
@@ -6,13 +6,24 @@
 )]
 #![deny(unsafe_code)]
 #![warn(
+    clippy::cast_lossless,
+    clippy::cast_possible_truncation,
+    clippy::cast_precision_loss,
+    clippy::checked_conversions,
+    clippy::implicit_saturating_sub,
+    clippy::integer_division_remainder_used,
     clippy::mod_module_files,
-    missing_docs,
-    missing_debug_implementations,
+    clippy::panic,
+    clippy::panic_in_result_fn,
+    clippy::std_instead_of_alloc,
+    clippy::std_instead_of_core,
     missing_copy_implementations,
+    missing_debug_implementations,
+    missing_docs,
     rust_2018_idioms,
     trivial_casts,
     trivial_numeric_casts,
+    unused_lifetimes,
     unused_qualifications
 )]
 #![cfg_attr(not(test), warn(clippy::unwrap_used))]
diff --git a/ctutils/src/traits/ct_select.rs b/ctutils/src/traits/ct_select.rs
index 5e807529..5f7e3c65 100644
--- a/ctutils/src/traits/ct_select.rs
+++ b/ctutils/src/traits/ct_select.rs
@@ -59,6 +59,7 @@ impl CtSelect for isize {
     }
 
     #[cfg(target_pointer_width = "64")]
+    #[allow(clippy::cast_possible_truncation)]
     #[inline]
     fn ct_select(&self, other: &Self, choice: Choice) -> Self {
         (*self as i64).ct_select(&(*other as i64), choice) as isize
@@ -74,6 +75,7 @@ impl CtSelect for usize {
     }
 
     #[cfg(target_pointer_width = "64")]
+    #[allow(clippy::cast_possible_truncation)]
     #[inline]
     fn ct_select(&self, other: &Self, choice: Choice) -> Self {
         (*self as u64).ct_select(&(*other as u64), choice) as usize