diff --git a/prost-validate-types/src/lib.rs b/prost-validate-types/src/lib.rs
index d816d96..742761c 100644
--- a/prost-validate-types/src/lib.rs
+++ b/prost-validate-types/src/lib.rs
@@ -86,7 +86,7 @@ trait IsTrueExt {
     fn is_true(&self) -> bool;
 }
 
-impl<'a> IsTrueExt for Cow<'a, Value> {
+impl IsTrueExt for Cow<'_, Value> {
     fn is_true(&self) -> bool {
         self.as_bool().unwrap_or(false)
     }
diff --git a/prost-validate/src/lib.rs b/prost-validate/src/lib.rs
index 0b19c62..3975491 100644
--- a/prost-validate/src/lib.rs
+++ b/prost-validate/src/lib.rs
@@ -45,7 +45,7 @@ impl<T: ?Sized> NoopValidator for T {}
 pub struct SafeValidator<'a, T: ?Sized>(pub &'a T);
 
 // Implement the `validate` method only for types that implement the Validator trait.
-impl<'a, T: ?Sized + Validator> SafeValidator<'a, T> {
+impl<T: ?Sized + Validator> SafeValidator<'_, T> {
     pub fn validate(&self) -> Result {
         Validator::validate(self.0)
     }