diff --git a/.github/workflows/cifuzz.yml b/.github/workflows/cifuzz.yml
index e964b293..3c995129 100644
--- a/.github/workflows/cifuzz.yml
+++ b/.github/workflows/cifuzz.yml
@@ -27,7 +27,7 @@
         },
         {
           "name": "Upload Crash",
-          "uses": "actions/upload-artifact@v3",
+          "uses": "actions/upload-artifact@v4",
           "if": "failure() && steps.build.outcome == 'success'",
           "with": {
             "name": "artifacts",
diff --git a/.github/workflows/cross_platform.yml b/.github/workflows/cross_platform.yml
index c7a4ca04..d5fb82a7 100644
--- a/.github/workflows/cross_platform.yml
+++ b/.github/workflows/cross_platform.yml
@@ -114,7 +114,8 @@
             # "mips64-unknown-linux-muslabi64",
             # "mips64el-unknown-linux-muslabi64",
             # "mipsel-unknown-linux-musl",
-            "sparc64-unknown-linux-gnu",
+            # Could not link to `getrandom`
+            # "sparc64-unknown-linux-gnu",
             # BLOCKEDTODO(https://github.com/cross-rs/cross/issues/975): currently broken
             # "sparcv9-sun-solaris",
             "thumbv7neon-linux-androideabi",
diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 53af7bb0..92b98c4e 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -140,7 +140,7 @@ fi",
           "uses": "actions-rs/toolchain@v1",
           "with": {
             "profile": "minimal",
-            "toolchain": "stable",
+            "toolchain": "1.85.0",
             "override": true,
             "components": "rustfmt, clippy"
           },
@@ -176,7 +176,7 @@ fi",
           "uses": "actions-rs/toolchain@v1",
           "with": {
             "profile": "minimal",
-            "toolchain": "stable",
+            "toolchain": "1.85.0",
             "override": true,
           },
           "name": "Install Rust stable"
@@ -190,45 +190,6 @@ fi",
           "name": "Run compatibility tests"
         }
       ]
-    },
-    "coverage": {
-      "name": "Code Coverage",
-      "runs-on": "ubuntu-latest",
-      "steps": [
-        {
-          "uses": "actions/checkout@v4",
-          "name": "Checkout"
-        },
-        {
-          "uses": "actions-rs/toolchain@v1",
-          "with": {
-            "profile": "minimal",
-            "toolchain": "nightly",
-            "override": true
-          },
-          "name": "Install Rust nightly"
-        },
-        {
-          "name": "Run cargo-tarpaulin",
-          "uses": "actions-rs/tarpaulin@v0.1",
-          "with": {
-            "version": "0.19.1",
-            "args": "--all --all-features"
-          }
-        },
-        {
-          "name": "Upload to codecov.io",
-          "uses": "codecov/codecov-action@v3"
-        },
-        {
-          "name": "Archive code coverage results",
-          "uses": "actions/upload-artifact@v3",
-          "with": {
-            "name": "code-coverage-report",
-            "path": "cobertura.xml"
-          }
-        }
-      ]
     }
   }
 }
diff --git a/src/de/mod.rs b/src/de/mod.rs
index 061f5b48..e0ed9547 100644
--- a/src/de/mod.rs
+++ b/src/de/mod.rs
@@ -215,7 +215,7 @@ pub trait BorrowDecoder<'de>: Decoder {
     fn borrow_reader(&mut self) -> &mut Self::BR;
 }
 
-impl<'a, T> Decoder for &'a mut T
+impl<T> Decoder for &mut T
 where
     T: Decoder,
 {
@@ -242,7 +242,7 @@ where
     }
 }
 
-impl<'a, 'de, T> BorrowDecoder<'de> for &'a mut T
+impl<'de, T> BorrowDecoder<'de> for &mut T
 where
     T: BorrowDecoder<'de>,
 {
diff --git a/src/enc/impls.rs b/src/enc/impls.rs
index a2c518d2..ebc6c73c 100644
--- a/src/enc/impls.rs
+++ b/src/enc/impls.rs
@@ -329,20 +329,20 @@ fn encode_utf8(writer: &mut impl Writer, c: char) -> Result<(), EncodeError> {
         writer.write(&[c as u8])
     } else if code < MAX_TWO_B {
         let mut buf = [0u8; 2];
-        buf[0] = (code >> 6 & 0x1F) as u8 | TAG_TWO_B;
+        buf[0] = ((code >> 6) & 0x1F) as u8 | TAG_TWO_B;
         buf[1] = (code & 0x3F) as u8 | TAG_CONT;
         writer.write(&buf)
     } else if code < MAX_THREE_B {
         let mut buf = [0u8; 3];
-        buf[0] = (code >> 12 & 0x0F) as u8 | TAG_THREE_B;
-        buf[1] = (code >> 6 & 0x3F) as u8 | TAG_CONT;
+        buf[0] = ((code >> 12) & 0x0F) as u8 | TAG_THREE_B;
+        buf[1] = ((code >> 6) & 0x3F) as u8 | TAG_CONT;
         buf[2] = (code & 0x3F) as u8 | TAG_CONT;
         writer.write(&buf)
     } else {
         let mut buf = [0u8; 4];
-        buf[0] = (code >> 18 & 0x07) as u8 | TAG_FOUR_B;
-        buf[1] = (code >> 12 & 0x3F) as u8 | TAG_CONT;
-        buf[2] = (code >> 6 & 0x3F) as u8 | TAG_CONT;
+        buf[0] = ((code >> 18) & 0x07) as u8 | TAG_FOUR_B;
+        buf[1] = ((code >> 12) & 0x3F) as u8 | TAG_CONT;
+        buf[2] = ((code >> 6) & 0x3F) as u8 | TAG_CONT;
         buf[3] = (code & 0x3F) as u8 | TAG_CONT;
         writer.write(&buf)
     }
@@ -481,7 +481,7 @@ where
     }
 }
 
-impl<'a, T> Encode for &'a T
+impl<T> Encode for &T
 where
     T: Encode + ?Sized,
 {
diff --git a/src/enc/mod.rs b/src/enc/mod.rs
index 5166b9ea..c5c37f84 100644
--- a/src/enc/mod.rs
+++ b/src/enc/mod.rs
@@ -47,7 +47,6 @@ pub use self::encoder::EncoderImpl;
 /// ```
 ///
 /// From here you can add/remove fields, or add custom logic.
-
 pub trait Encode {
     /// Encode a given type.
     fn encode<E: Encoder>(&self, encoder: &mut E) -> Result<(), EncodeError>;
@@ -68,7 +67,7 @@ pub trait Encoder: Sealed {
     fn config(&self) -> &Self::C;
 }
 
-impl<'a, T> Encoder for &'a mut T
+impl<T> Encoder for &mut T
 where
     T: Encoder,
 {
diff --git a/src/enc/write.rs b/src/enc/write.rs
index 412cc459..97a47845 100644
--- a/src/enc/write.rs
+++ b/src/enc/write.rs
@@ -52,7 +52,7 @@ impl<'storage> SliceWriter<'storage> {
     }
 }
 
-impl<'storage> Writer for SliceWriter<'storage> {
+impl Writer for SliceWriter<'_> {
     #[inline(always)]
     fn write(&mut self, bytes: &[u8]) -> Result<(), EncodeError> {
         if bytes.len() > self.slice.len() {
diff --git a/src/features/impl_alloc.rs b/src/features/impl_alloc.rs
index d4e656ee..a120a87a 100644
--- a/src/features/impl_alloc.rs
+++ b/src/features/impl_alloc.rs
@@ -397,7 +397,7 @@ where
     }
 }
 
-impl<'cow, T> Decode for Cow<'cow, T>
+impl<T> Decode for Cow<'_, T>
 where
     T: ToOwned + ?Sized,
     <T as ToOwned>::Owned: Decode,
@@ -418,7 +418,7 @@ where
     }
 }
 
-impl<'cow, T> Encode for Cow<'cow, T>
+impl<T> Encode for Cow<'_, T>
 where
     T: ToOwned + ?Sized,
     for<'a> &'a T: Encode,
diff --git a/src/features/impl_std.rs b/src/features/impl_std.rs
index 04fae2f1..89092f5a 100644
--- a/src/features/impl_std.rs
+++ b/src/features/impl_std.rs
@@ -114,7 +114,7 @@ impl<'a, W: std::io::Write> IoWriter<'a, W> {
     }
 }
 
-impl<'storage, W: std::io::Write> Writer for IoWriter<'storage, W> {
+impl<W: std::io::Write> Writer for IoWriter<'_, W> {
     #[inline(always)]
     fn write(&mut self, bytes: &[u8]) -> Result<(), EncodeError> {
         self.writer
@@ -128,7 +128,7 @@ impl<'storage, W: std::io::Write> Writer for IoWriter<'storage, W> {
     }
 }
 
-impl<'a> Encode for &'a CStr {
+impl Encode for &CStr {
     fn encode<E: Encoder>(&self, encoder: &mut E) -> Result<(), EncodeError> {
         self.to_bytes().encode(encoder)
     }
diff --git a/src/features/serde/de_borrowed.rs b/src/features/serde/de_borrowed.rs
index 093a1984..88d921ef 100644
--- a/src/features/serde/de_borrowed.rs
+++ b/src/features/serde/de_borrowed.rs
@@ -69,7 +69,7 @@ pub(super) struct SerdeDecoder<'a, 'de, DE: BorrowDecoder<'de>> {
     pub(super) pd: PhantomData<&'de ()>,
 }
 
-impl<'a, 'de, DE: BorrowDecoder<'de>> Deserializer<'de> for SerdeDecoder<'a, 'de, DE> {
+impl<'de, DE: BorrowDecoder<'de>> Deserializer<'de> for SerdeDecoder<'_, 'de, DE> {
     type Error = DecodeError;
 
     fn deserialize_any<V>(self, _: V) -> Result<V::Value, Self::Error>
@@ -433,7 +433,7 @@ impl<'a, 'de, DE: BorrowDecoder<'de>> Deserializer<'de> for SerdeDecoder<'a, 'de
     }
 }
 
-impl<'de, 'a, DE: BorrowDecoder<'de>> EnumAccess<'de> for SerdeDecoder<'a, 'de, DE> {
+impl<'de, DE: BorrowDecoder<'de>> EnumAccess<'de> for SerdeDecoder<'_, 'de, DE> {
     type Error = DecodeError;
     type Variant = Self;
 
@@ -447,7 +447,7 @@ impl<'de, 'a, DE: BorrowDecoder<'de>> EnumAccess<'de> for SerdeDecoder<'a, 'de,
     }
 }
 
-impl<'de, 'a, DE: BorrowDecoder<'de>> VariantAccess<'de> for SerdeDecoder<'a, 'de, DE> {
+impl<'de, DE: BorrowDecoder<'de>> VariantAccess<'de> for SerdeDecoder<'_, 'de, DE> {
     type Error = DecodeError;
 
     fn unit_variant(self) -> Result<(), Self::Error> {
diff --git a/src/features/serde/de_owned.rs b/src/features/serde/de_owned.rs
index 502a92a5..f7307f47 100644
--- a/src/features/serde/de_owned.rs
+++ b/src/features/serde/de_owned.rs
@@ -62,7 +62,7 @@ pub(crate) struct SerdeDecoder<'a, DE: Decoder> {
     pub(crate) de: &'a mut DE,
 }
 
-impl<'a, 'de, DE: Decoder> Deserializer<'de> for SerdeDecoder<'a, DE> {
+impl<'de, DE: Decoder> Deserializer<'de> for SerdeDecoder<'_, DE> {
     type Error = DecodeError;
 
     fn deserialize_any<V>(self, _: V) -> Result<V::Value, Self::Error>
@@ -438,7 +438,7 @@ impl<'a, 'de, DE: Decoder> Deserializer<'de> for SerdeDecoder<'a, DE> {
     }
 }
 
-impl<'de, 'a, DE: Decoder> EnumAccess<'de> for SerdeDecoder<'a, DE> {
+impl<'de, DE: Decoder> EnumAccess<'de> for SerdeDecoder<'_, DE> {
     type Error = DecodeError;
     type Variant = Self;
 
@@ -452,7 +452,7 @@ impl<'de, 'a, DE: Decoder> EnumAccess<'de> for SerdeDecoder<'a, DE> {
     }
 }
 
-impl<'de, 'a, DE: Decoder> VariantAccess<'de> for SerdeDecoder<'a, DE> {
+impl<'de, DE: Decoder> VariantAccess<'de> for SerdeDecoder<'_, DE> {
     type Error = DecodeError;
 
     fn unit_variant(self) -> Result<(), Self::Error> {
diff --git a/src/features/serde/ser.rs b/src/features/serde/ser.rs
index ed225017..5dbdde36 100644
--- a/src/features/serde/ser.rs
+++ b/src/features/serde/ser.rs
@@ -79,7 +79,7 @@ pub(super) struct SerdeEncoder<'a, ENC: Encoder> {
     pub(super) enc: &'a mut ENC,
 }
 
-impl<'a, ENC> Serializer for SerdeEncoder<'a, ENC>
+impl<ENC> Serializer for SerdeEncoder<'_, ENC>
 where
     ENC: Encoder,
 {
@@ -286,7 +286,7 @@ where
 
 type Compound<'a, ENC> = SerdeEncoder<'a, ENC>;
 
-impl<'a, ENC: Encoder> SerializeSeq for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeSeq for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -302,7 +302,7 @@ impl<'a, ENC: Encoder> SerializeSeq for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeTuple for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeTuple for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -318,7 +318,7 @@ impl<'a, ENC: Encoder> SerializeTuple for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeTupleStruct for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeTupleStruct for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -334,7 +334,7 @@ impl<'a, ENC: Encoder> SerializeTupleStruct for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeTupleVariant for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeTupleVariant for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -350,7 +350,7 @@ impl<'a, ENC: Encoder> SerializeTupleVariant for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeMap for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeMap for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -373,7 +373,7 @@ impl<'a, ENC: Encoder> SerializeMap for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeStruct for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeStruct for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
@@ -389,7 +389,7 @@ impl<'a, ENC: Encoder> SerializeStruct for Compound<'a, ENC> {
     }
 }
 
-impl<'a, ENC: Encoder> SerializeStructVariant for Compound<'a, ENC> {
+impl<ENC: Encoder> SerializeStructVariant for Compound<'_, ENC> {
     type Ok = ();
     type Error = EncodeError;
 
diff --git a/src/utils.rs b/src/utils.rs
index 14332562..418f6591 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -1,3 +1,3 @@
 pub trait Sealed {}
 
-impl<'a, T> Sealed for &'a mut T where T: Sealed {}
+impl<T> Sealed for &mut T where T: Sealed {}