diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index 4893ea4..6420200 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -1,6 +1,6 @@
 name: build
 
-on: push
+on: pull_request
 
 jobs:
   codestyle:
@@ -37,10 +37,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest, macOS-latest]
-        rust: [stable, 1.56.1]
+        rust: [stable, 1.63.0]
         exclude:
           - os: macOS-latest
-            rust: 1.56.1
+            rust: 1.63.0
     runs-on: ${{ matrix.os }}
 
     steps:
@@ -50,5 +50,9 @@ jobs:
           rust-version: ${{ matrix.rust }}
       - name: Checkout
         uses: actions/checkout@v2
+      - name: Fixes for MSRV
+        if: matrix.rust == '1.63.0'
+        run: |
+          cargo update
       - name: Test
         run: cargo test
diff --git a/README.md b/README.md
index 631dbdf..65bbca4 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ The crate is `no_std` but does require `alloc`.
 
 ## MSRV
 
-1.56.1
+1.63.0
 
 ## License
 
diff --git a/src/de.rs b/src/de.rs
index df5945a..c5f3c48 100644
--- a/src/de.rs
+++ b/src/de.rs
@@ -93,7 +93,7 @@ impl<'a, T: DeserializeParams<'a>> Uri<'a, bitcoin::address::NetworkUnchecked, T
     }
 }
 
-impl<'a, NetVal: NetworkValidation, T> Uri<'a, NetVal, T> {
+impl<NetVal: NetworkValidation, T> Uri<'_, NetVal, T> {
     /// Makes the lifetime `'static` by converting all fields to owned.
     ///
     /// Note that this does **not** affect `extras`!
@@ -234,6 +234,7 @@ impl<T: fmt::Display + std::error::Error + 'static> std::error::Error for Error<
 pub struct UriError(UriErrorInner);
 
 #[derive(Debug, Clone)]
+#[cfg_attr(not(feature = "std"), allow(dead_code))]
 enum UriErrorInner {
     TooShort,
     InvalidScheme,
@@ -293,7 +294,7 @@ impl std::error::Error for UriError {
 }
 
 /// **Warning**: this implementation may needlessly allocate, consider using `TryFrom<&str>` instead.
-impl<'a, T: for<'de> DeserializeParams<'de>> core::str::FromStr for Uri<'a, bitcoin::address::NetworkUnchecked, T> {
+impl<T: for<'de> DeserializeParams<'de>> core::str::FromStr for Uri<'_, bitcoin::address::NetworkUnchecked, T> {
     type Err = Error<T::Error>;
 
     fn from_str(s: &str) -> Result<Self, Self::Err> {
@@ -310,7 +311,7 @@ impl<'a, T: DeserializeParams<'a>> TryFrom<&'a str> for Uri<'a, bitcoin::address
 }
 
 /// **Warning**: this implementation may needlessly allocate, consider using `TryFrom<&str>` instead.
-impl<'a, T: for<'de> DeserializeParams<'de>> TryFrom<String> for Uri<'a, bitcoin::address::NetworkUnchecked, T> {
+impl<T: for<'de> DeserializeParams<'de>> TryFrom<String> for Uri<'_, bitcoin::address::NetworkUnchecked, T> {
     type Error = Error<T::Error>;
 
     fn try_from(s: String) -> Result<Self, Self::Error> {
diff --git a/src/lib.rs b/src/lib.rs
index b60eba5..25af98c 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -102,7 +102,7 @@ where
     pub extras: Extras,
 }
 
-impl<'a, NetVal: NetworkValidation, T: Default> Uri<'a, NetVal, T> {
+impl<NetVal: NetworkValidation, T: Default> Uri<'_, NetVal, T> {
     /// Creates an URI with defaults.
     ///
     /// This sets all fields except `address` to default values.
@@ -118,7 +118,7 @@ impl<'a, NetVal: NetworkValidation, T: Default> Uri<'a, NetVal, T> {
     }
 }
 
-impl<'a, NetVal: NetworkValidation, T> Uri<'a, NetVal, T> {
+impl<NetVal: NetworkValidation, T> Uri<'_, NetVal, T> {
     /// Creates an URI with defaults.
     ///
     /// This sets all fields except `address` and `extras` to default values.
@@ -194,7 +194,7 @@ impl<'a> From<&'a str> for Param<'a> {
 }
 
 /// Cheap conversion
-impl<'a> From<String> for Param<'a> {
+impl From<String> for Param<'_> {
     fn from(value: String) -> Self {
         Param(ParamInner::UnencodedString(Cow::Owned(value)))
     }
@@ -212,7 +212,7 @@ impl<'a> From<&'a [u8]> for Param<'a> {
 /// Cheap conversion
 #[cfg(feature = "non-compliant-bytes")]
 #[cfg_attr(docsrs, doc(cfg(feature = "non-compliant-bytes")))]
-impl<'a> From<Vec<u8>> for Param<'a> {
+impl From<Vec<u8>> for Param<'_> {
     fn from(value: Vec<u8>) -> Self {
         Param(ParamInner::UnencodedBytes(Cow::Owned(value)))
     }
@@ -284,6 +284,7 @@ enum ParamInner<'a> {
 /// The lifetime of this may be shorter than that of [`Param<'a>`].
 #[cfg(feature = "non-compliant-bytes")]
 #[cfg_attr(docsrs, doc(cfg(feature = "non-compliant-bytes")))]
+#[cfg_attr(feature = "non-compliant-bytes", allow(dead_code))]
 pub struct ParamBytes<'a>(ParamIterInner<'a, core::iter::Cloned<core::slice::Iter<'a, u8>>>);
 
 /// Iterator over decoded bytes inside paramter.
@@ -291,6 +292,7 @@ pub struct ParamBytes<'a>(ParamIterInner<'a, core::iter::Cloned<core::slice::Ite
 /// The lifetime of this is same as that of [`Param<'a>`].
 #[cfg(feature = "non-compliant-bytes")]
 #[cfg_attr(docsrs, doc(cfg(feature = "non-compliant-bytes")))]
+#[cfg_attr(feature = "non-compliant-bytes", allow(dead_code))]
 pub struct ParamBytesOwned<'a>(ParamIterInner<'a, Either<core::iter::Cloned<core::slice::Iter<'a, u8>>, alloc::vec::IntoIter<u8>>>);
 
 #[cfg(feature = "non-compliant-bytes")]
@@ -315,7 +317,7 @@ impl DeserializationError for NoExtras {
     type Error = core::convert::Infallible;
 }
 
-impl<'de> DeserializationState<'de> for EmptyState {
+impl DeserializationState<'_> for EmptyState {
     type Value = NoExtras;
 
     fn is_param_known(&self, _key: &str) -> bool {
@@ -331,7 +333,7 @@ impl<'de> DeserializationState<'de> for EmptyState {
     }
 }
 
-impl<'a> SerializeParams for &'a NoExtras {
+impl SerializeParams for &NoExtras {
     type Key = core::convert::Infallible;
     type Value = core::convert::Infallible;
     type Iterator = core::iter::Empty<(Self::Key, Self::Value)>;
diff --git a/src/ser.rs b/src/ser.rs
index a77ca6a..9451097 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -30,7 +30,7 @@ pub trait SerializeParams {
 /// Checks if the display implementation outputs `=` character.
 struct EqSignChecker<'a, W: fmt::Write>(W, &'a dyn fmt::Display);
 
-impl<'a, W: fmt::Write> fmt::Write for EqSignChecker<'a, W> {
+impl<W: fmt::Write> fmt::Write for EqSignChecker<'_, W> {
     fn write_str(&mut self, s: &str) -> fmt::Result {
         if s.contains('=') {
             panic!("key '{}' contains equal sign", self.1);
@@ -128,7 +128,7 @@ impl<T: fmt::Display> fmt::Display for DisplayEncoder<T> {
 /// This is private because people should generally only display values as decoded
 struct DisplayParam<'a>(&'a Param<'a>);
 
-impl<'a> fmt::Display for DisplayParam<'a> {
+impl fmt::Display for DisplayParam<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         match &(self.0).0 {
             // TODO: improve percent_encoding_rfc_3986 so that allocation can be avoided
@@ -175,7 +175,7 @@ fn maybe_display_param(writer: &mut impl fmt::Write, key: impl fmt::Display, val
 
 /// Formats QR-code-optimized URI if alternate form (`{:#}`) is used.
 #[rustfmt::skip]
-impl<'a, T> fmt::Display for Uri<'a, bitcoin::address::NetworkChecked, T> where for<'b> &'b T: SerializeParams {
+impl<T> fmt::Display for Uri<'_, bitcoin::address::NetworkChecked, T> where for<'a> &'a T: SerializeParams {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         if f.alternate() {
             write!(f, "bitcoin:{:#}", self.address)?;