diff --git a/.github/workflows/workspace.yml b/.github/workflows/workspace.yml
index bba6e00b7..60b98966f 100644
--- a/.github/workflows/workspace.yml
+++ b/.github/workflows/workspace.yml
@@ -26,7 +26,7 @@ jobs:
       - uses: RustCrypto/actions/cargo-cache@master
       - uses: dtolnay/rust-toolchain@master
         with:
-          toolchain: 1.60.0
+          toolchain: 1.71.0
           components: clippy
       - run: cargo clippy --all --all-features -- -D warnings
 
diff --git a/cipher/src/lib.rs b/cipher/src/lib.rs
index 87041c19a..87813d940 100644
--- a/cipher/src/lib.rs
+++ b/cipher/src/lib.rs
@@ -12,6 +12,7 @@
     html_favicon_url = "https://raw.githubusercontent.com/RustCrypto/media/6ee8e381/logo.svg"
 )]
 #![warn(missing_docs, rust_2018_idioms)]
+#![allow(clippy::needless_lifetimes)]
 
 pub use crypto_common;
 pub use inout;
diff --git a/kem/tests/hpke.rs b/kem/tests/hpke.rs
index 0b5d07b3f..43df15cd2 100644
--- a/kem/tests/hpke.rs
+++ b/kem/tests/hpke.rs
@@ -32,7 +32,7 @@ impl EncappedKey for X25519EncappedKey {
     type SenderPublicKey = X25519PublicKey;
 
     fn from_bytes(bytes: &GenericArray<u8, Self::EncappedKeySize>) -> Result<Self, Error> {
-        Ok(X25519EncappedKey(bytes.clone()))
+        Ok(X25519EncappedKey(*bytes))
     }
 }
 impl AsRef<[u8]> for X25519EncappedKey {
diff --git a/password-hash/src/params.rs b/password-hash/src/params.rs
index d0524e9f5..68648777e 100644
--- a/password-hash/src/params.rs
+++ b/password-hash/src/params.rs
@@ -362,7 +362,7 @@ mod tests {
         let mut params = ParamsString::new();
         params.add_decimal(name, 1).unwrap();
 
-        let err = params.add_decimal(name, 2u32.into()).err().unwrap();
+        let err = params.add_decimal(name, 2u32).err().unwrap();
         assert_eq!(err, Error::ParamNameDuplicated);
     }
 
diff --git a/password-hash/tests/hashing.rs b/password-hash/tests/hashing.rs
index ccb587324..7c53a72fc 100644
--- a/password-hash/tests/hashing.rs
+++ b/password-hash/tests/hashing.rs
@@ -57,7 +57,7 @@ impl<'a> TryFrom<&PasswordHash<'a>> for StubParams {
     }
 }
 
-impl<'a> TryFrom<StubParams> for ParamsString {
+impl TryFrom<StubParams> for ParamsString {
     type Error = Error;
 
     fn try_from(_: StubParams) -> Result<Self> {
diff --git a/signature/tests/derive.rs b/signature/tests/derive.rs
index 70e2dc0fc..e76408afd 100644
--- a/signature/tests/derive.rs
+++ b/signature/tests/derive.rs
@@ -35,9 +35,7 @@ impl TryFrom<&[u8]> for DummySignature {
     type Error = Error;
 
     fn try_from(bytes: &[u8]) -> Result<Self, Error> {
-        Ok(DummySignature(GenericArray::clone_from_slice(
-            bytes.as_ref(),
-        )))
+        Ok(DummySignature(GenericArray::clone_from_slice(bytes)))
     }
 }